Java MCQ Questions

Practice the most important Java MCQ Questions MCQs with answers and detailed explanations to improve your preparation.

Q1. What does JVM stand for in Java?

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Q2. Which of the following is not a Java keyword?

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Q3. Which method is the entry point of a Java program?

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Q4. Which data type is used to store decimal numbers in Java?

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Q5. What is the default value of a boolean variable in Java?

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Q6. Which symbol is used for single-line comments in Java?

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Q7. Which operator is used to compare two values in Java?

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Q8. Which keyword is used to inherit a class in Java?

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Q9. Which keyword is used to define a constant in Java?

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Q10. Which Java keyword is used to create an object?

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Q11. Which of the following is a wrapper class in Java?

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Q12. Which method is used to get the length of a string in Java?

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Q13. Which package is imported by default in every Java program?

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Q14. Which exception occurs when dividing a number by zero in Java?

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Q15. Which keyword is used to stop further inheritance of a class?

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Q16. Which keyword is used to create an interface in Java?

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Q17. Which Java collection class stores unique elements only?

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Q18. Which loop is guaranteed to execute at least once in Java?

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Q19. Which keyword is used for multiple inheritance in Java?

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Q20. Which type of language is Java?

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