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Java Quiz Questions with Answers

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As a Java developer, staying sharp on the fundamentals is crucial for tackling complex programming challenges. Regularly testing your knowledge helps identify areas for improvement and solidify your understanding of core concepts. This engaging Java quiz offers a fun and interactive way to assess your grasp of various Java topics.

The quiz incorporates a range of multiple-choice questions designed to test your knowledge on essential Java concepts. Whether you’re a seasoned developer looking to refresh your memory or a beginner embarking on your Java programming journey, this quiz caters to all skill levels. By participating, you’ll gain valuable insights into your strengths and weaknesses across different Java domains.

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  1. Question 1 of 20
    1. Question

    Which among the following inheritance Java does not allow?

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  2. Question 2 of 20
    2. Question

    What does Java have to implement multiple inheritance?

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  3. Question 3 of 20
    3. Question

    When a variable points to a location not in the array, what exception does it throw?

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  4. Question 4 of 20
    4. Question

    What block of code always executes in a try-catch-finally block?

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  5. Question 5 of 20
    5. Question

    Which among the following is the reserved keyword in Java?

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  6. Question 6 of 20
    6. Question

     Which of these has the highest precedence?

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  7. Question 7 of 20
    7. Question

    What do you have to append to a value to mark it as long?

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  8. Question 8 of 20
    8. Question

     What do you have to append to a value to mark it as double?

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  9. Question 9 of 20
    9. Question

    What do you have to append to a value to mark it as int?

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  10. Question 10 of 20
    10. Question

    What was the first name for the Java language?

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  11. Question 11 of 20
    11. Question

    What is it called when the objects with no reference get deleted from memory automatically?

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  12. Question 12 of 20
    12. Question

    What gets called when a new object is created?

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  13. Question 13 of 20
    13. Question

    What is JVM?

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  14. Question 14 of 20
    14. Question

    How do you write multiline comments in Java?

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  15. Question 15 of 20
    15. Question

    How do you print a new line in Java?

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  16. Question 16 of 20
    16. Question

    How do you insert a carriage return in a sentence in Java?

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  17. Question 17 of 20
    17. Question

    Which among the following operators is not bitwise?

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  18. Question 18 of 20
    18. Question

     If you create two strings with the same name, how many references and objects will be created?

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  19. Question 19 of 20
    19. Question

    How many constructors can a class have?

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  20. Question 20 of 20
    20. Question

    Which one of these is not a core concept of OOPS in Java?

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Summary:

So, are you ready to put your Java knowledge to the test? This quiz is your chance to delve into key areas of Java programming, including inheritance, object-oriented programming principles, and core syntax. Don’t worry if you encounter a challenging question – the detailed answers provided alongside each question will serve as a valuable learning resource.

By actively engaging with the quiz and reviewing the explanations, you’ll solidify your understanding of Java fundamentals and gain the confidence to tackle more advanced programming concepts. Embrace this opportunity to learn, grow, and become a more proficient Java developer.

Remember, consistent practice is key to mastering any programming language. So take the quiz, challenge yourself, and embark on a rewarding learning experience!

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