Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

What mechanism does java use for memory management?

938

Why object class is super class for every class in java?

987

Define an abstract class with reference to java.

957

What are different exception types exceptions available in java ?

959

Explain super keyword in java.

1003

What is difference between final and finally in java?

Cyient,

1046

What are meta-annotations?

Cyient,

946

What is exception in java?

Cyient,

1036

Write a java program to generate fibonacci series ?

Cyient,

1030

What do you understand by overloading and overriding in java?

1031

Write code to implement bubble sort in java?

957

What is difference between class and object in java?

1032

What is hashing in java?

998

Write a factorial program using recursion in java?

963

Write a program to find the greatest of three numbers in java?

954

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Un-Answered Questions { Core Java }

What is unmodifiable list in java?

915

what is the final keyword denotes in java?

1040

Enlist few advantages of inheritance?

1036

Is null a value?

988

Explain wait(), notify() and notifyall() methods of object class ?

995

What do you mean by platform independence?

998

What are keywords and reserved words in java?

1021

What are locale settings?

948

What is static class

1060

How do you define a parameter?

1001

Why is it important to initialize a variable?

954

Is singleton class immutable?

921

What is finally and finalize in java?

1035

How do you write a conditional statement?

911

What is boolean data type in java?

945

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