Recent questions tagged java-interview-questions-answers

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Q: How to you monitor garbage collection activities?

How to you monitor garbage collection activities?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: Does Garbage collection occur in permanent generation space in JVM?

Does Garbage collection occur in permanent generation space in JVM?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: Can we force the Garbage collector to run at any time?

Can we force the Garbage collector to run at any time?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: What is finalize method in Java? When does Garbage collector calls finalize method in Java?

What is finalize method in Java? When does Garbage collector calls finalize method in Java?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: When does an Object become eligible for Garbage collection in Java?

When does an Object become eligible for Garbage collection in Java?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: What is the difference between Serial and Throughput Garbage collectors?

What is the difference between Serial and Throughput Garbage collectors?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: What is the difference between ParNew and DefNew Young Generation Garbage collector?

What is the difference between ParNew and DefNew Young Generation Garbage collector?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: How do you identify minor and major garbage collections in Java?

How do you identify minor and major garbage collections in Java?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: What is the structure of Java Heap? What is Perm Gen space in Heap?

What is the structure of Java Heap? What is Perm Gen space in Heap?...

asked Apr 4, 2023 in Technology by JackTerrance

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Q: Can an abstract class have a constructor?

Can an abstract class have a constructor?...

asked Feb 9, 2023 in Technology by JackTerrance

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Q: What is an interface in Java?

What is an interface in Java?...

asked Feb 9, 2023 in Technology by JackTerrance

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Q: What is the difference between a constructor and a method?

What is the difference between a constructor and a method?...

asked Feb 9, 2023 in Technology by JackTerrance

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Q: What is the difference between method overloading and method overriding?

What is the difference between method overloading and method overriding?...

asked Feb 9, 2023 in Technology by JackTerrance

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Q: What is method overriding in Java?

What is method overriding in Java?...

asked Feb 8, 2023 in Technology by JackTerrance

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Q: What is method overloading in Java?

What is method overloading in Java?...

asked Feb 8, 2023 in Technology by JackTerrance