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Java Questions

JVM, Multithreading, Spring Boot, Collections, and OOP principles.

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1QuestionsEasy🔥 95% Asked

What is the difference between JDK, JRE, and JVM?

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2QuestionsMedium🔥 92% Asked

Explain the difference between abstract class and interface in Java 8+.

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3QuestionsEasy🔥 98% Asked

What is the difference between == and equals() method?

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4QuestionsEasy🔥 90% Asked

Explain method overloading vs method overriding with examples.

Asked in:AmazonMicrosoftOracleIBMSAP

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5QuestionsEasy🔥 95% Asked

What are the four pillars of OOP? Explain with real-world examples.

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6QuestionsMedium🔥 88% Asked

What is the difference between final, finally, and finalize?

Asked in:AmazonMicrosoftOracleIBMSAP

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