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 are the enhancements in ejb 2.0 with respect to cmp?

929

What is the max amount of information that can be saved in a session object?

1009

What are the special design care that must be taken when you work with local interfaces?

977

How should you type cast a remote object? Why?

980

Can the bean class implement the ejbobject class directly? If not why?

934

What is the difference between url instance and urlconnection instance?

1028

What are the enhancements in ejb 2.0 specification with respect to asynchronous communication?

1013

Can you briefly describe local interfaces?

1004

How do clients handle dns requests to failed servers?

979

How do I provide user credentials for starting a server?

936

What causes java.io exceptions in the log file of weblogic server?

1071

Do ejbs have to be homogeneously deployed across a cluster? Why?

967

What is the difference between creating a distributed application using rmi and using a ejb architecture?

924

What should you do in a passive method?

1020

What is the difference between jndi lookup(), list(), listbindings(), and search()?

1028

Un-Answered Questions { Java J2EE }

Why use a datasource when you can directly specify a connection details? (in a J2EE application)

4281

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

1117

What is the difference between update and upgrade?

507

What is a machine?

1019

What is @entity annotation in spring?

496

How do you invoke a method?

1011

What is array initialization in java?

1107

What is the significance of DataBaseMetaData.tableIndexStatistics? How to obtain and use it?

988

Can You Have Virtual Functions In Java?

1156

What is servlet mapping?

1037

How do you set up a slide show in powerpoint?

446

Is struts 1 still supported?

944

What is the maximum size of arraylist in java?

1015

Do I need java for windows 10?

1051

What do you mean by stack?

1164

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