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 a treeset class?

1020

Can you explain the meaning of aggregation and composition

1012

What are the actions that can occur when a thread enters blocked state?

1062

What is garbage collector?

1089

Can we force the garbage collection to run?

958

why doesn't java run on all platforms?

1037

Can you tell me range of byte?

993

Explain the use of javap tool.

1145

Difference between arraylist and vector.

1134

What is the difference between multiple processes and multiple threads?

1218

Explain the difference between abstraction and encapsulation.

989

What do you understand by synchronization?

1057

Define locale.

1043

How to create an immutable class?

1118

Explain the importance of finalize() method.

974

Un-Answered Questions { Java J2EE }

What is the applet security manager, and what does it provide?

1000

What are the 5 steps of orm?

344

Prepared statements are faster. Why?

1059

What is the function of log?

1016

What is stateful and stateless bean in spring?

531

Who developed java?

1002

What is the use of @bean annotation?

452

What is meant by binding in rmi?

1018

What is matcher in java?

1009

What can be the various reasons for a server crash?

1056

What is callback interface in hibernate?

502

What is an argument in java?

945

What is the class in swing to change the appearance of the frame in runtime?

1054

What are the aop implementation?

525

How do I start wls and configure jms?

837

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