Top Core Java Questions and Answers for Exam Preparation

Explore top Core Java questions and answers to boost your exam preparation and enhance your understanding of key concepts.

Core Java Questions

Q. Which of these is a correct way to create an ArrayList?

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

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Q. What is the purpose of the ‘volatile’ keyword?

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Q. Which method is used to convert a String to an integer?

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Q. What is the output of System.out.println(Math.sqrt(25));?

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Q. What is the purpose of the ‘break’ statement?

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Q. What is the output of System.out.println(‘A’ + 1);?

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Q. Which class is the superclass of all classes in Java?

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Q. What is the output of System.out.println(Math.max(3, 7));?

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Q. Which of these is a correct way to handle multiple exceptions?

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