{"@context":"http://schema.org","@type":"Question","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-","text":"Что напечатает следующий код?\n\u003cpre\u003e\u003ccode class\u003d\"java\"\u003e\npublic class Test {\n\n    static int b \u003d Test.a;\n    static final int a \u003d 3;\n    \n    public static void main(String... args) {\n        System.out.println(\"a \u003d \" + a + \", b \u003d \" + b);\n    }\n    \n}\n\u003c/code\u003e\u003c/pre\u003e","headline":"Что напечатает следующий код?\n\u003cpre\u003e\u003ccode class\u003d\"java\"\u003e\npublic class Test {\n\n    static int b \u003d Test.a;\n    sta","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. Java обычно читается как легкая и простая версия языка Си++. Тем не менее, Java может использоваться как полная версия для создания приложений, которые могут работать на всех платформах, поддерживающих Java, без необходимости перекомпиляции. В 2020 году Java является самым популярным языком программирования, с которым работают более 9 миллионов разработчиков. \u003cbr\u003e\nЭтот обучающий курс полностью посвящен \u003cstrong\u003eJava языку\u003c/strong\u003e, где вы можете проверить свои знания и ответить на \u003cstrong\u003e вопросы интервью по Java\u003c/strong\u003e. 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 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0","dateCreated":"2020-02-06"},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18674","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18674","text":"a \u003d 3, b \u003d 3","dateCreated":"2020-02-06"},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18675","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18675","text":"a \u003d 0, b \u003d 0","dateCreated":"2020-02-06"},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18676","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18676","text":"a \u003d 0, b \u003d 3","dateCreated":"2020-02-06"},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18677","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18677","text":"Ошибка компиляции","dateCreated":"2020-02-06"},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18678","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18678","text":"Ошибка выполнения","dateCreated":"2020-02-06"}],"object":{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18674","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18674","text":"a \u003d 3, b \u003d 3","dateCreated":"2020-02-06"}}],"audience":{"@type":"EducationalAudience","audienceType":["developers","programmers"],"educationalRole":["Specialist","Student"],"alternateName":"Java Programmers","name":"Java Developers","sameAs":["https://en.wikipedia.org/wiki/Programmer","https://en.wikipedia.org/wiki/Software_developer","https://en.wikipedia.org/wiki/Software_engineer","https://en.wikipedia.org/wiki/Web_developer"]},"dateCreated":"2020-02-06","acceptedAnswer":[{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#js-expander-trigger","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#js-expander-trigger","text":"\u003cp\u003eНа первый взгляд может показаться, что правильным будет ответ \"a \u003d 3, b \u003d 0\", поскольку статические поля инициализируются в порядке объявления и полю \u003cb\u003eb\u003c/b\u003e присваивается ещё не проинициализированное значение \u003cb\u003ea\u003c/b\u003e.\u003c/p\u003e\n\u003cp\u003eНа самом деле, поскольку поле \u003cb\u003ea\u003c/b\u003e является \u003ci\u003eконстантой\u003c/i\u003e, то компилятор сразу подставляет его значение. Т.е. фактически первая строка компилируется как\u003cbr\u003e\n\u003cbr\u003e\n\u003ctt\u003estatic int b \u003d 3;\u003c/tt\u003e\u003cbr\u003e\n\u003cbr\u003e\nи правильным будет ответ \"a \u003d 3, b \u003d 3\"\u003c/p\u003e","about":{"@type":"Question","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-"},"upvoteCount":1,"dateCreated":"2020-02-06"},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18674","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18674","text":"a \u003d 3, b \u003d 3","dateCreated":"2020-02-06","upvoteCount":1}],"suggestedAnswer":[{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18673","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18673","text":"a \u003d 3, b \u003d 0","dateCreated":"2020-02-06","upvoteCount":0},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18675","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18675","text":"a \u003d 0, b \u003d 0","dateCreated":"2020-02-06","upvoteCount":0},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18676","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18676","text":"a \u003d 0, b \u003d 3","dateCreated":"2020-02-06","upvoteCount":0},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18677","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18677","text":"Ошибка компиляции","dateCreated":"2020-02-06","upvoteCount":0},{"@type":"Answer","@id":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18678","url":"https://codegalaxy.io/courses/java-ru/questions/1cf09727d8634638accb297a89b4b9b4/chto-napechataet-sleduyushchij-kod-public-class-test-static-int-b-test-a-static-#18678","text":"Ошибка выполнения","dateCreated":"2020-02-06","upvoteCount":0}]}