Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Advanced Java (552)
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Servlets (804)
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JDBC (771)
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Java J2EE Interview Questions

Questions Answers Views Company eMail

What is the difference between panel and frame ?

HCL, IBM, Raim Techno Solutions,

7 76057

Explain the differences between public, private, protected and static?

4 31778

What is the difference between set and list?

5 40780

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

1 8804

What are File and RandomAccessFile classes?

2 6901

What are Font and FontMetrics classes?

1 6991

In which JDK version event-delegation model is introduced?

1 4217

Difference between the String and StringBuffer classes?

3 7256

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

1 15313

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

3 9889

What is the difference between throw and throws?

IBM,

11 23516

What is yielding and sleeping? how they different?

2 6193

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

Scope International,

1 4012

Explain the difference between Unicast and Multicast objects?

1 5127

What is the frontend and backedn in Java?

TCS,

3 9919

Un-Answered Questions { Java J2EE }

How will you print number in reverse (descending) order in BST.

982

These static constructors are correct ? class A { statc intA() { } static A(int x,int y) { } static A(int x) { } }

1088

What was java originally called?

955

What do you mean by ordered and sorted in collections in java?

996

what is a green thread? : Java thread

1023

Why does java have two ways to create child threads? Which way is better?

1051

Which collection allows duplicate values in java?

971

Differentiate Conversational from Non-conversational interactions?

1037

What are the months of spring?

420

What is the use of version property in hibernate?

404

What is the difference between the file and randomaccessfile classes?

1098

What is the maximum size of array in java?

985

Write a program to bind string values in a preparedstatement?

991

What is the difference between url instance and urlconnection instance?

1021

What is the use of application context in spring?

414

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