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

Is there any need to import java.lang package?

Sun Microsystems,

13 25593

What is multithread synchronizing ?

Sun Microsystems,

4 11790

How many ways can a thread be used?

Sun Microsystems,

4 12240

What is Enterprise JavaBeans?

1 5109

what is current EJB version?

3 8948

what are main features in EJB?

2 13755

Basic types of Enterprise JavaBeans?

TCS,

4 7313

abstract methods in SessionBean?

1 6765

What are the design goals of EJB architecture?

1 10252

what is SessionBean, EntityBean?

2 5928

Difference between container-managed & bean-managed persistence?

2 15611

What transaction attributes does Java Bean containers support?

1 5649

What is UNICODE?

3 8598

finalize() method?

5 11539

What is the use of bin and lib in JDK?

TCS,

8 35825

Un-Answered Questions { Java J2EE }

Is hibernate a tool or framework?

350

Name the eight primitive java types.

1130

Is it possible to compare various strings with the help of == operator?

995

How can you make sure that your singleton class will always return single instance in multi-threaded environment?

1028

What is event handling in java?

883

What is jdbc abstraction and dao module?

521

What are the types of communication provided by jms? Explain in detail.

873

Is java more difficult than c++?

980

What is java beans?

1000

What is spring autowiring?

494

What exactly are the functions of servlet?

1102

What is lossy conversion in java?

1209

What is backorder?

830

What are the standard isolation levels defined by JDBC?

1135

What do you mean by ejb ql?

1040

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