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 jdbc driver and how many jdbc drivers are available?

1048

How many rowset are available in jdbc?

1109

What are the jdbc statements?

972

Which interface handles transaction management in jdbc?

1109

What is the difference between setmaxrows(int) and setfetchsize(int)?

1056

Why are we using blob datatypes in jdbc?

1082

What is resultset?

994

What is the meaning of connection?

963

How many locking systems are there in jdbc?

1024

How to set the attribute concurrency in resultset?

932

What is the function of drivermanager class?

1097

Which jdbc driver is the fastest driver?

1021

What are the jdbc api components?

1144

Is it possible to connect to multiple databases? Using single statement can we update or extract data from two or three or many databases?

1085

Why should we close database connections in java?

1142

Un-Answered Questions { Java J2EE }

What do you mean by Socket Programming?

1086

What is the use of annotations?

405

What is ejb in spring?

925

What about interrupt() method of thread class ?

1067

What are the applications in websphere?

843

What is the advantage of hibernate over jdbc?

347

A client invokes a method on a stateful session bean instance deployed in the weblogic server. While the method execution is in progress another method call arrives on the server. What will be the result? : BEA Weblogic

983

Is java a web technology?

938

What exactly is spring boot? : Spring Boot

456

What is aop? And how the aop used in spring?

400

What are the components of spring framework?

520

Explain about interthread communication and how it takes place in java?

1021

What is the benefit of inner / nested classes ?

988

What is the purpose of redirect result type?

1016

What is the difference between ear, jar and war file?

1136

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