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12th Grade Java Quizzes, Questions & Answers
Think your child knows their 12th grade Java? Read more
Challenge them with our fun and engaging Java quizzes! Perfect for reinforcing classroom learning and discovering new facts about the world around them.
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Top Trending Java Quizzes
Popular Java Quizzes
Questions: 10 | Attempts: 14568 | Last updated: Mar 21, 2025
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Sample QuestionHow will you describe Java?
Questions: 22 | Attempts: 12437 | Last updated: Sep 1, 2025
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Sample QuestionWhich method in the HttpServlet class services the HTTP POST request? (Select one)
Questions: 100 | Attempts: 5453 | Last updated: Sep 18, 2025
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Sample QuestionWhat will be the result of compiling the following program? public class MyClass { long var; public void MyClass(long param) { var = param; } // (Line no 1) public static void main(String[] args) { MyClass a, b; a = new MyClass(); // (Line no 2) } } 1.A compilation error will occur at (Line no 1), since constructors cannot specify a return value 2.A compilation error will occur at (2), since the class does not have a default constructor 3.A compilation error will occur at (Line no 2), since the class does not have a constructor that takes one argument of type int. 4.The program will compile without errors.
Questions: 15 | Attempts: 4789 | Last updated: Jul 3, 2025
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Sample QuestionAll data members in an interface are by default
Questions: 30 | Attempts: 4735 | Last updated: Jan 12, 2025
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Sample QuestionChoose the operations that can be performed on String objects: (A) + (B) + = (C) - (D) % (E) ^
Questions: 25 | Attempts: 4622 | Last updated: Sep 22, 2025
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Sample QuestionPick runtime exception?....
Recent Java Quizzes
Questions: 10 | Attempts: 14568 | Last updated: Mar 21, 2025
-
Sample QuestionHow will you describe Java?
Questions: 22 | Attempts: 12437 | Last updated: Sep 1, 2025
-
Sample QuestionWhich method in the HttpServlet class services the HTTP POST request? (Select one)
Questions: 100 | Attempts: 5453 | Last updated: Sep 18, 2025
-
Sample QuestionWhat will be the result of compiling the following program? public class MyClass { long var; public void MyClass(long param) { var = param; } // (Line no 1) public static void main(String[] args) { MyClass a, b; a = new MyClass(); // (Line no 2) } } 1.A compilation error will occur at (Line no 1), since constructors cannot specify a return value 2.A compilation error will occur at (2), since the class does not have a default constructor 3.A compilation error will occur at (Line no 2), since the class does not have a constructor that takes one argument of type int. 4.The program will compile without errors.
Questions: 15 | Attempts: 4789 | Last updated: Jul 3, 2025
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Sample QuestionAll data members in an interface are by default
Questions: 30 | Attempts: 4735 | Last updated: Jan 12, 2025
-
Sample QuestionChoose the operations that can be performed on String objects: (A) + (B) + = (C) - (D) % (E) ^
Questions: 25 | Attempts: 4622 | Last updated: Sep 22, 2025
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Sample QuestionPick runtime exception?....
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