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 are exception handling keywords in java?

989

What is meant by method overriding?

1055

What is the purpose of a transient variable?

1011

Difference between notify() method and notifyall() method in java?

930

Explain about public and private access specifiers?

988

What do you mean by constructor?

943

What is the disadvantage of synchronization?

973

Explain about wait() method?

991

What are the java ide’s?

994

What is the final keyword in java?

1 1380

Difference between serialization and deserialization in java?

1089

How do you make a thread in java?

1053

When to use runnable interface vs thread class in java?

941

Explain thread life cycle in java?

983

What is meant by local variable and instance variable?

989

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Un-Answered Questions { Core Java }

How does list work in java?

877

What are latest features introduced with java 8?

1025

What is mutable object and immutable object?

1092

What is supplier in java?

970

What are "class access modifiers" in Java?

1073

What is difference between class and object in java?

1032

What are thread local variables?

1075

Why synchronization is important?

991

What is difference between final and immutable?

1096

Explain java thread life cycle.

977

What's the base class in java from which all classes are derived?

1225

What are the major drawbacks of external iteration?

1023

What is data type example?

917

What is the driver class?

980

Which is the best approach for creating thread ?

1151

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