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

Write a singleton program?

1074

What is ioc concept & explain it?

1110

What are the oops concept?

1099

What are the different types of exception?

1048

What is aop(assepct oriented programing)?

1079

What is prototype?

1193

Explain spring framework?

411

In spring bean class uses singleton or prototype?

471

What we can not do in jdbc but can do hibernate?

391

Difference between struts and spring? Or why use spring, if you are already using struts?

994

Difference between struts and spring?

1188

Why use spring, if you are already using struts?

1030

What is role of actionservlet?

1047

What are the components of struts?

979

What is the use of lookupdispatchaction?

1034

Un-Answered Questions { Java J2EE }

Explain about instanceof operator in java?

1072

What are packages in java?

1698

What are authoring and presentation templates?

983

Which viewresolver class is widely used?

429

What is rmi and ejb in java?

1046

What is the functionality of a jms message producer?

827

What are the different groups under web logic security?.

966

What are three types of annotations?

453

What is the difference between the paint() and repaint() methods?

1077

What are the steps to send and receive JMS message ?

1392

What are different parts of a url?

998

What is identifier in java?

1128

1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

4983

What signal tells the jvm to give a thread dump? Does those signal work if you specify -xrs? Why?

913

How the interruptible method gets implemented?

993

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