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 are Inner classes?

4 7278

Is &&= a valid Java operator?

2 13518

A class can be a subclass of itself?

Genesis,

2 10675

Are nested try statements are possible?

2 5294

Is multiple inheritance allowed in Java? Why ?

7 12178

Is 'null' a keyword?

8 10195

Is 'sizeof' a keyword?

7 17976

Does any tag exists in HTML to upload and download files ?

3 8400

Are there any tools available in java to create reports?

5 9506

Explain Connection Pooling?

3 9211

What classes can be used to store arbitrary number of objects ?

1 4195

Can you give names of Container classes?

Ordain Solutions,

2307

What are the names of interfaces that doesn't consists of method/s ?

3 7805

What primitive Java types? Howmany are they and what are their names?

3 5832

What are the names of Component subclasses that support painting?

1 3780

Un-Answered Questions { Java J2EE }

What are concurrency strategies?

453

How do we check for an error in the input file?

965

How does the garbage collector works in java?

1094

Why ca not I boot weblogic server when using the ldap security realm? : BEA Weblogic

982

Is servlet thread safe?

995

can we stop the execution of a method before completion?

3052

What does yield method of the thread class do?

1039

What do you mean by the servlet chaining?

1086

What is square root in java?

1112

What is a vector in java?

1037

What does it mean to be stateless?

998

Why session is not thread safe in hibernate?

362

What is the differences between struts1 and struts2?

942

What is wlst?

1014

How will a single machine run multiple web logic server instances?

996

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