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 advantages of exception handling in java?

1038

When do we use synchronized methods in java?

1063

What are thread priorities and importance of thread priorities in java?

1154

What is method overriding in java ?

1208

Assume a thread has lock on it, calling sleep() method on that thread will release the lock?

1119

What are user defined exceptions?

1061

Difference between overriding and overloading in java?

1084

What is difference between length and length() method in java ?

1009

Can we have multiple classes in single file ?

1087

Explain what access modifiers can be used for methods?

1102

What is super keyword in java ?

1 1853

Explain java coding standards for methods?

1056

Explain about member inner classes?

1114

Can we override static methods in java?

1088

What is jit compiler ?

993

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Un-Answered Questions { Core Java }

Define max and min heap, also the search time of heap.

1038

Can java list contain duplicates?

1029

How do you change an int to a string?

1034

How to check if linked list contains loop in java?

914

What are the Static and Dynamic Variables? Differentiate them.

1127

Is ruby built on java?

962

What are data types in programming?

1007

What is the difference between class forname and new?

1019

What does ide stand for?

954

What is string pool?

1141

What are the different tags provided in jstl?

968

Explain the transient field modifier?

1061

What is console based application in java?

1055

Can inner class have constructor?

1055

Give an example of call be reference significance.

1048

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