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 thread groups?

1014

Explain about transient variables in java?

1113

Explain about narrowing conversion in java?

1023

What is collections framework?

1166

Explain the scope or life time of class variables or static variables?

1007

Difference between concurrent hashmap and hashtable and collections

1081

Why java is considered dynamic?

1188

List some java keywords sun like c, c + + keywords?

1020

Why is stringbuffer called mutable?

1007

Define packages in java?

1020

List the three steps for creating an object for a class?

986

Give some features of interface?

1085

What is the default value of float and double datatype in java?

1024

When super keyword is used?

1028

What do you mean by multithreaded program?

1025

Un-Answered Questions { Java J2EE }

What is the default value of local and global variables?

1109

explain different ways of using thread? : Java thread

1026

Difference between RUN command and Functional maps?

966

What is createstatement method in java?

978

Explain a few methods of overloading best practices in java?

999

What is webcontainer?

871

What is byte value?

1011

What is method in java ?

1105

Why does jmssession.createtopic or jmssession.createqueue fail to create a destination in wls jms 6.1 (it worked in 5.1)?

838

In what format is the conversational data written to the disk?

1014

What is the need of servlet filters?

1018

Explain the key functions of data binding?

1032

What are orm integration modules?

489

What are the disadvantages of spring framework?

414

Why we use multi threading instead of multiprocessing?

1077

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