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

Explain the performance tuning in jvm?

960

You are noticing a performance impact on your application and you suspect the underlying operating systemresources might be causing the issue, what steps would you take to narrow down the issue?

1083

What is meant by full gc and explain it?

1010

What is thread stack size? What is the default thread stack size in windows?

1009

Explain the diffrernces between 8.x and 9.x?

1028

What is meant by thread dump and how can we take?

952

Explain the Command line utilities in wls?

1031

Tell the issues faced in weblogic?

1042

What signal tells the jvm to give a thread dump?

1029

What is meany by proxy server?

1266

What is meant by gc and explain it?

1107

Managed servers are running. What happens if admin server down?

939

What are the advantages and disadvantages of node manager?

1053

What is clustering? What are the different types and how does clustering works in a network ?

1038

What is meant by cluster??

1128

Un-Answered Questions { Java J2EE }

What is data?

956

What value is a variable of the string type automatically initialized?

1122

What will happen when using pass by reference in java?

1011

What is the difference between Java and C++?

1213

How action-mapping tag is used for request forwarding in struts configuration file?

976

Can I declare a class as private?

1101

In how many ways we can do exception handling in java?

1013

What is jrmp?

978

What Is Query Throttling in java?

1017

Why do we use orm?

338

What does spring transactional annotation do?

440

What is application context module?

438

What is j2ee application?

984

What do bitwise operators do?

1027

What is the use of keywords in java?

997

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