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

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is the difference between panel and frame ?

HCL, IBM, Raim Techno Solutions,

7 76054

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 8803

What are File and RandomAccessFile classes?

2 6900

What are Font and FontMetrics classes?

1 6991

In which JDK version event-delegation model is introduced?

1 4215

Difference between the String and StringBuffer classes?

3 7250

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

1 15313

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

3 9888

What is the difference between throw and throws?

IBM,

11 23509

What is yielding and sleeping? how they different?

2 6190

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

Scope International,

1 4008

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 }

Difference between Linked list and Queue?

1029

Which method of the httpservletrequest object is used?

1093

Why does java not allow multiple public classes in a java file ?

4539

Does printwriter create a file?

958

What are different ways for servlet authentication?

1106

What are the different id generating strategies using @generatedvalue annotation?

409

What is aspectj used for?

422

What are the pillars of java?

920

What is hashset in java?

1137

Explain the private field modifier?

1097

What are the important features of Java 11 release?

1118

What are the different types of resultset?

986

What is difference between jdbc and odbc?

1012

What is session facade in ejb?

1024

What will happen if a thrown exception is not handled?

1021

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