{"@context":"http://schema.org","@type":"Question","@id":"https://codegalaxy.io/courses/java-ru/questions/af5ef2c1d2ad43219c0235a060140937/kakim-budet-rezultat-vypolneniya-koda-class-user-public-integer-id-public-string","text":"Каким будет результат выполнения кода:\n\u003cpre\u003e\u003ccode class\u003d\"java\"\u003e\nclass User {\n    public Integer id;\n    public String username;\n    \n    public User(Integer id, String username) {\n        this.id \u003d id;\n        this.username \u003d username;\n    }\n}\n\npublic static void main (String[] args) {\n    List\u0026lt;User\u0026gt; userList \u003d new ArrayList\u0026lt;\u0026gt;();\n    userList.add(new User(1, \"admin\"));\n    userList.add(new User(2, \"guest\"));\n    userList.add(new User(3, null));\n\n    Map\u0026lt;Integer, String\u0026gt; idsUsernamesMap \u003d \n        userList.stream().collect(Collectors.toMap(user -\u003e user.id, user -\u003e user.username));\n                \n    idsUsernamesMap.forEach( (k,v) -\u003e System.out.println(\"id: \" + k + \"; username: \" + v));\n}\n\u003c/code\u003e\u003c/pre\u003e","headline":"Каким будет результат выполнения кода:\n\u003cpre\u003e\u003ccode class\u003d\"java\"\u003e\nclass User {\n    public Integer id;\n    public","learningResourceType":["programming test","programming course","programming question"],"isPartOf":{"@type":"Course","@id":"https://codegalaxy.io/courses/java-ru","url":"https://codegalaxy.io/courses/java-ru","name":"Java Quiz","description":"Java - объектно-ориентированный кросс-платформенный язык программирования, предназначенный для удобства чтения и интероперабельности. 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Вы ответите на теоретические и практические вопросы, которые проверяют ваши навыки на понимание \u003cstrong\u003e Java-кода\u003c/strong\u003e и поиска ошибок.\n\u003cbr\u003e\nВы можете вернуться к этому java курсу когда захотите, так как он постоянно обновляется и добавляются новые вопросы и задачки!\n\nПереведено с помощью www.DeepL.com/Translator (бесплатная версия)","provider":{"@type":"Organization","@id":"https://codegalaxy.io","name":"CodeGalaxy","logo":{"@type":"ImageObject","url":"https://codegalaxy.io/app/assets/images/g_code.png","height":"513","width":"513"},"description":"Project aimed to provide new ways in learning programming languages and preparing for the interview."},"image":{"@type":"ImageObject","url":"https://codegalaxy.io/app/assets/images/fb/16x9/share-java-ru.png","height":"630","width":"1200"}},"image":{"@type":"ImageObject","url":"https://codegalaxy.io/app/assets/images/fb/16x9/share-java-ru.png","height":"630","width":"1200"},"answerCount":5,"potentialAction":[{"@type":"AssessAction","object":{"@type":"Question","@id":"https://codegalaxy.io/courses/java-ru/questions/af5ef2c1d2ad43219c0235a060140937/kakim-budet-rezultat-vypolneniya-koda-class-user-public-integer-id-public-string"}},{"@type":"ChooseAction","actionOption":[{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/af5ef2c1d2ad43219c0235a060140937/kakim-budet-rezultat-vypolneniya-koda-class-user-public-integer-id-public-string#21796","url":"https://codegalaxy.io/courses/java-ru/questions/af5ef2c1d2ad43219c0235a060140937/kakim-budet-rezultat-vypolneniya-koda-class-user-public-integer-id-public-string#21796","text":"id: 1; 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