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 is the difference between set and list?

5 40595

Explain the difference between the Boolean & operator and the && operator?

1 8740

What are File and RandomAccessFile classes?

2 6806

What are Font and FontMetrics classes?

1 6908

In which JDK version event-delegation model is introduced?

1 4129

Difference between the String and StringBuffer classes?

3 7133

Difference between the paint() and repaint() methods?

1 15223

Difference between prefix and postfix forms of the ++operator?

3 9757

What is the difference between throw and throws?

IBM,

11 23107

What is yielding and sleeping? how they different?

2 6026

What is Unicast and Multicast object? Where we will use?

Scope International,

1 3914

Explain the difference between Unicast and Multicast objects?

1 5059

What is the frontend and backedn in Java?

TCS,

3 9768

What is the difference between static and non-static variables?

6 25704

What is the difference between the >> and >>> operators?

1 5231

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Un-Answered Questions { Core Java }

What is methodological theory?

945

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

986

What do you mean by stack?

1108

Does java have a compiler?

996

How many types of exception can occur in a java program?

945

Can we create an object of static class in java?

983

What is hotjava?

968

What are the advantages of defining packages in java?

939

What are the types of relation?

1007

What is static data type in java?

996

What happens if constructor is private?

982

What is a line break?

982

Explain about the interpreter in java?

1007

What is anagram number?

895

What is the best definition for data?

938

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