{"componentChunkName":"component---src-templates-lecture-template-js","path":"/lectures/semaine8/quiz","result":{"data":{"mdx":{"body":"function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }\n\nfunction _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }\n\nfunction _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }\n\n/* @jsx mdx */\nvar _frontmatter = {\n  \"slug\": \"semaine8/quiz\",\n  \"title\": \"Pratique examen: Quiz\",\n  \"type\": \"homework\",\n  \"time\": \"15 minutes\"\n};\n\nvar makeShortcode = function makeShortcode(name) {\n  return function MDXDefaultShortcode(props) {\n    console.warn(\"Component \" + name + \" was not imported, exported, or provided by MDXProvider as global scope\");\n    return mdx(\"div\", props);\n  };\n};\n\nvar Solution = makeShortcode(\"Solution\");\nvar layoutProps = {\n  _frontmatter: _frontmatter\n};\nvar MDXLayout = \"wrapper\";\nreturn function MDXContent(_ref) {\n  var components = _ref.components,\n      props = _objectWithoutProperties(_ref, [\"components\"]);\n\n  return mdx(MDXLayout, _extends({}, layoutProps, props, {\n    components: components,\n    mdxType: \"MDXLayout\"\n  }), mdx(\"h2\", null, \"Polymorphisme\"), mdx(\"p\", null, \"Consid\\xE9rez le code suivant.\"), mdx(\"p\", null, \"Le code pr\\xE9sente un ou des probl\\xE8mes d'abstraction. 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\"className\": \"token comment\"\n  }), \"// ...\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"payer\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Periode\"), \" periode\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n  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\"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"extends\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Paie\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Contractuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"extends\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Paie\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }))))), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Une interface \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Employe\"), \" :\", mdx(\"div\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"interface\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"EmployeSalaireHoraire\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"implements\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"EmployeSalaireAnnuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"implements\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Contractuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"implements\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }))))), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Une classe abstraite \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Employe\"), \" :\", mdx(\"div\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"abstract\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"EmployeSalaireHoraire\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"extends\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"EmployeSalaireAnnuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"extends\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Contractuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"extends\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }))))), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Une classe concr\\xE8te \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Employe\"), \" dont les contractuels sont une variante (sous-classe)\", mdx(\"div\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Contractuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"extends\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Employe\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }))))), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Une interface \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Payable\"), \" :\", mdx(\"div\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"interface\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Payable\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"EmployeSalaireHoraire\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"implements\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Payable\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"EmployeSalaireAnnuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"implements\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Payable\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Contractuel\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"implements\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Payable\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  })))))), mdx(Solution, {\n    mdxType: \"Solution\"\n  }, mdx(\"p\", null, \"La r\\xE9ponse est 5. Une interface \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Payable\"), \".\"), mdx(\"p\", null, \"Le choix 1 n'est pas judicieux, car 1) Il ne r\\xE8gle pas le probl\\xE8me de paie entre horaire/annuel et 2) ne passe pas le test \\\"IS-A\\\"\"), mdx(\"p\", null, \"Le choix 2 n'est pas judicieux, car il ne passe pas le test \\\"IS-A\\\" (\", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"contractuel est un employ\\xE9?\"), \")\"), mdx(\"p\", null, \"Le choix 3 n'est pas judicieux pour les m\\xEAmes raisons que 2.\"), mdx(\"p\", null, \"Le choix 4 n'est pas judicieux pour toutes ces raisons mises ensemble.\")), mdx(\"h2\", null, \"Abstraction\"), mdx(\"p\", null, \"Consid\\xE9rez le code suivant :\"), mdx(\"div\", {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }, mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"ValidateurEcheance\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"valider\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Echeance\"), \" echeance\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// ...\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"if\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"echeance\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"estPassee\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n            \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// ...\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Echeance\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"private\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"boolean\"), \" estPassee\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"boolean\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"estPassee\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"return\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"this\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"estPassee\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  })))), mdx(\"p\", null, \"Certains pourraient se demander s'il ne serait pas mieux de rendre \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Echeance\"), \" abstrait afin que le \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"ValidateurEcheance\"), \" n'ait pas \\xE0 connaitre l'\\xE9ch\\xE9ance. Qu'en pensez-vous (une seule r\\xE9ponse) :\"), mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Oui, c'est une bonne id\\xE9e pour faciliter les tests\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Oui, car un jour il existera un autre type d'\\xE9ch\\xE9ance et il y aura du code \\xE0 changer\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Non, car \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"ValidateurEcheance\"), \" n'a pas de donn\\xE9es\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Non, car \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Echeance\"), \" et \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"ValidateurEcheance\"), \" changent pour des raisons similaires\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Oui, pour am\\xE9liorer la coh\\xE9sion\")), mdx(Solution, {\n    mdxType: \"Solution\"\n  }, mdx(\"p\", null, \"La r\\xE9ponse est 4, Non, car \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Echeance\"), \" et \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"ValidateurEcheance\"), \" changent pour des raisons similaires.\"), mdx(\"p\", null, \"Placer une interface entre le validateur et l'\\xE9chance n'apporterait pas de valeur ici. Ces 2 objets ont un cycle de vie identique.\"), mdx(\"p\", null, \"On pourrait se poser la question \\xE0 savoir si la validation devrait \\xEAtre dans l'\\xE9ch\\xE9ance lui-m\\xEAme, mais ici ce n'\\xE9tait pas ce qui \\xE9tait demand\\xE9.\"), mdx(\"p\", null, \"Le choix 5 est int\\xE9ressant. On pourrait d\\xE9tecter un probl\\xE8me de coh\\xE9sion dans ce code, mais ajout\\xE9 une interface/classe abstraite n'adresserait pas le probl\\xE8me.\")), mdx(\"h2\", null, \"SOLID\"), mdx(\"p\", null, \"Consid\\xE9rant ces tests (il faut s'imaginer le code qui les supporte) :\"), mdx(\"div\", {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }, mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"XTest\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token annotation punctuation\"\n  }), \"@Test\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"quandPayer_devraitDistribuerMontant\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"IDistributeur\"), \" distributeur \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"mock\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"IDistributeur\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"X\"), \" x \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"new\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"X\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"distributeur\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        x\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"payer\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"20.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"verify\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"distributeur\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"distribuer\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"20.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"YTest\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token annotation punctuation\"\n  }), \"@Test\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"quandMaintenance_devraitRemplir\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"IDistributeur\"), \" distributeur \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"mock\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"IDistributeur\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Y\"), \" y \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"new\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Y\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"distributeur\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        y\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"maintenir\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"verify\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"distributeur\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"remplir\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  })))), mdx(\"p\", null, \"Quel principe SOLID+T n'est pas respect\\xE9 (un seul)?\"), mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"SRP\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"OCP\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"ISP\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"DIP ou d\\xE9pendances stables\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"TDA\")), mdx(Solution, {\n    mdxType: \"Solution\"\n  }, mdx(\"p\", null, \"La r\\xE9ponse est l'ISP.\"), mdx(\"p\", null, \"On peut d\\xE9tecter via ces tests que l'interface \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"IDistributeur\"), \" \\xE0 2 m\\xE9thodes (\", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"remplir/0\"), \" et \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"distribuer/1\"), \") et au moins\\ndeux clients (\", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"X\"), \" et \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Y\"), \"). Or, chacun des clients n'utilise qu'une des m\\xE9thodes de l'interface.\"), mdx(\"p\", null, \"Ce n'\\xE9tait pas demand\\xE9 ici, mais la solution serait d'avoir plut\\xF4t 2 interfaces. N'oubliez pas que l'ISP est un principe qui, contrairement au LSP, s'int\\xE9resse aux \", mdx(\"strong\", {\n    parentName: \"p\"\n  }, \"clients\"), \" de l'interface (e.g. l'interface est dict\\xE9e par ses clients).\"), mdx(\"p\", null, \"On peut potentiellement aussi d\\xE9tecter que le SRP serait facile \\xE0 briser ici, mais sans voir l'impl\\xE9mentation de \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"IDistributeur\"), \" on ne peut pas tirer de conclusion.\")), mdx(\"h2\", null, \"Interfaces\"), mdx(\"p\", null, \"Vous avez une interface nomm\\xE9e \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"IBoutique\"), \" dont l'unique impl\\xE9mentation est \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Boutique\"), \". Une classe \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"Acheteur\"), \" d\\xE9pend de \", mdx(\"code\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"IBoutique\"), \" afin de pouvoir effectuer une partie de ses achats se trouvant dans une boutique partenaire.\"), mdx(\"p\", null, \"En vous basant uniquement sur ces informations, quels probl\\xE8mes pouvez-vous anticiper? Indiquez tous les \\xE9nonc\\xE9s qui sont vrais.\"), mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Consid\\xE9rant que Boutique est le nom de l'impl\\xE9mentation, il semble difficile d'imaginer ce que pourraient \\xEAtre les autres impl\\xE9mentations futures et distinctives.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Le TDA ne semble pas \\xEAtre respect\\xE9\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"L'interface ne semble pas d\\xE9finir une capacit\\xE9\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"L'abstraction \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"IBoutique\"), \" a clairement \\xE9t\\xE9 cr\\xE9\\xE9 en fonction de son client.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Le SRP risque de ne pas \\xEAtre respect\\xE9 pour IBoutique\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Cela semble \\xEAtre une violation de la Primitive Obsession\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Le fait d'avoir une interface qui commence par I n'est jamais une bonne pratique\")), mdx(Solution, {\n    mdxType: \"Solution\"\n  }, mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est vrai. On peut voir le probl\\xE8me de deux angles: l'impl\\xE9mentation devrait dire ce qui la distingue OU l'interface n'a pas un nom avec une capacit\\xE9, ce qui rend le nommage difficile.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est faux. Rien ne permet de d\\xE9duire cela.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est vrai, voir la r\\xE9ponse #1\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est faux. Si c'\\xE9tait le cas, le nom refl\\xE8terait une capacit\\xE9 d\\xE9sir\\xE9e par le client.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est faux. Rien ne permet de d\\xE9duire cela.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est faux. On ne parle d'aucun type primitif dans l'\\xE9nonc\\xE9...\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est faux. C'est d\\xE9courag\\xE9 puisque \\xE7a encourage un mauvais nommage, mais si c'est un \", mdx(\"em\", {\n    parentName: \"li\"\n  }, \"code style\"), \" et qu'on fait attention au nommage, ce n'est pas un probl\\xE8me en soi.\"))), mdx(\"h2\", null, \"TDD\"), mdx(\"p\", null, \"Voici un bout de code :\"), mdx(\"div\", {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }, mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"private\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"int\"), \" age\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"private\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"double\"), \" prix\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"int\"), \" age\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"double\"), \" prix\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"/* ... */\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"double\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"calculerPrix\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"if\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"age \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"<\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"12\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"return\"), \" prix \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"*\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"0.8\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"return\"), \" prix\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// ...\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  })))), mdx(\"p\", null, \"Et voici les tests unitaires correspondants :\"), mdx(\"div\", {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"java\"\n  }, mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"style\": {\n      \"counterReset\": \"linenumber NaN\"\n    },\n    \"className\": \"language-java line-numbers\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"class\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"PassagerTest\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token annotation punctuation\"\n  }), \"@Test\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"testConstructeur\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), \" p \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"new\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"1\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"2.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"assertNotNull\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"p\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token annotation punctuation\"\n  }), \"@Test\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"testAssignation\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), \" p \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"new\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"50\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"2.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"assertEquals\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"50\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" p\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"getAge\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"assertEquals\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"2.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" p\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"getPrix\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token annotation punctuation\"\n  }), \"@Test\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"enfant_quandCalculerPrix_devraitAppliquerRabais\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), \" p \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"new\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"1\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"2.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"double\"), \" prixCalcule \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" p\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"calculerPrix\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token 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\")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token annotation punctuation\"\n  }), \"@Test\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"public\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"void\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"nePasAppliquerDeRabaisSurUnAdulte\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), \" p \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"new\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token class-name\"\n  }), \"Passager\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"13\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"2.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"double\"), \" prixCalcule \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" p\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"calculerPrix\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n        \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"assertEquals\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"2.0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" prixCalcule\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\")), mdx(\"span\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"aria-hidden\": \"true\",\n    \"className\": \"line-numbers-rows\",\n    \"style\": {\n      \"whiteSpace\": \"normal\",\n      \"width\": \"auto\",\n      \"left\": \"0\"\n    }\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  }), mdx(\"span\", {\n    parentName: \"span\"\n  })))), mdx(\"p\", null, \"Est-ce que ce test a \\xE9t\\xE9 \\xE9crit en TDD? Choisir la meilleure r\\xE9ponse.\"), mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Oui, car en TDD on doit commencer par tester le constructeur\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Oui, car la couverture est de 100%\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Non, car certains tests n'auraient jamais pu \\xE9chouer\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Non, car le nommage des tests n'est pas pareil pour tous les tests\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Oui, car tous les tests testent un comportement et non des m\\xE9thodes\")), mdx(Solution, {\n    mdxType: \"Solution\"\n  }, mdx(\"p\", null, \"La r\\xE9ponse est 3, non car certains tests n'auraient jamais pu \\xE9chouer\"), mdx(\"p\", null, \"Tester un constructeur, entre autres, ne peut jamais \\xE9chouer. C'est un comportement de java, pas besoin de le tester...\"), mdx(\"p\", null, \"La couverture de test ne veut rien dire. Au contraire, \\xE9crire des tests pour r\\xE9ussir \\xE0 avoir 100% est g\\xE9n\\xE9ralement un \", mdx(\"em\", {\n    parentName: \"p\"\n  }, \"smell\"), \".\"), mdx(\"p\", null, \"Le nommage des tests n'est pas pareil en effet, et une phase bleue (refactoring) dans le TDD pourrait attraper cela (ainsi que plusieurs autres erreurs de code style ici). Par contre, avoir mal fait son refactoring ou avoir fait un oubli n'est pas forc\\xE9ment signe que ce n'est pas \\xE9crit en TDD.\"), mdx(\"p\", null, \"Tester les comportements au lieu des m\\xE9thodes est bien, mais n'est pas forc\\xE9ment signe que la personne a fait ou non du TDD. Par contre, \\xE0 l'inverse, faire du TDD aide grandement \\xE0 focuser sur les comportements dans ses tests! La r\\xE9ponse 5 est \\xE9galement une fausse pr\\xE9mise, ce n'est pas vrai que tous les tests testent des comportements.\")), mdx(\"h2\", null, \"TDA\"), mdx(\"p\", null, \"Cochez le(s) \\xE9nonc\\xE9(s) qui est/sont vrai(s)\"), mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Un objet n'ayant que des \\\"getters\\\" ne respecte pas le Tell Don't Ask\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Une violation du TDA se mat\\xE9rialise souvent par ce que l'on nomme un \\\"train wreck\\\" au niveau du code\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Le non-respect du TDA cr\\xE9er un probl\\xE8me de couplage\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"Pour respecter le Tell Don't Ask \\xE0 la lettre, toutes les m\\xE9thodes doivent \\xEAtre void\")), mdx(Solution, {\n    mdxType: \"Solution\"\n  }, mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est faux. C'est impossible de conclure que \\xE7a respecte le TDA ou non, \\xE7a d\\xE9pend de ce que le client fait avec ces donne\\xE9s.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est vrai. Ce n'est pas toujours le cas, mais c'est toujours un \", mdx(\"em\", {\n    parentName: \"li\"\n  }, \"smell\"), \". Un train wreck c'est, par exemple : \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"this.getUserAccount().getCreditAccount().setBalance(...)\")), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est vrai. Il y a plusieurs fa\\xE7ons dont \\xE7a peut arriver, mais une fa\\xE7on rapide de le voir est qu'on est coupl\\xE9 avec les d\\xE9pendances de sa d\\xE9pendance. Par exemple dans l'exemple pour #2, on sait maintenant que \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"user account\"), \" n'a qu'un et un seul compte cr\\xE9dit.\"), mdx(\"li\", {\n    parentName: \"ol\"\n  }, \"C'est faux. Le mot cl\\xE9 est \", mdx(\"code\", _extends({\n    parentName: \"li\"\n  }, {\n    \"className\": \"language-text\"\n  }), \"doivent\"), \". On peut respecter le TDA m\\xEAme sans avoir des m\\xE9thodes void partout.\"))));\n}\n;\nMDXContent.isMDXComponent = true;","frontmatter":{"slug":"semaine8/quiz","title":"Pratique examen: Quiz","type":"homework","time":"15 minutes"}}},"pageContext":{"slug":"semaine8/quiz","previous":null,"next":"/lectures/semaine8/pratique-examen-reusinage","breadcrumbs":[{"url":"/curriculum","label":"Curriculum"},{"label":"Semaine 8"},{"label":"Pratique pour l'examen"},{"url":"/lectures/semaine8/quiz","label":"Pratique examen: Quiz"}]}}}