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

when we write class.forName("any one class"); what happens actually?what it will return?explain stepwise?

6 9361

explain System.out.println

Calpine Technologies, Care, Cognizant, CTS, IBM, IBS, LibSys, Oracle, Spiro Solutions, TCS,

107 201630

What is the use of Getters and Setters method ?

4 16974

How to depoly your struts application in JBOSS

HP, NuWare, Satyam, Wipro,

1 10894

can i call init() method in destroy() method of servlset. ?

IBM,

5 12705

can i call destroy() method in init() method of servlet

Ericsson, IBM,

9 24548

what is catalina in tomcat server.

IBM,

11 58518

What is the difference between an applet and a servlet?

GCEW, Miracle Solutions,

15 50854

What is use of parseQueryString ?

1 6275

If you want to modify the servlet,will the Webserver need to be ShutDown ?

9 13168

How do you track a user session in servlets?

3 8071

What are cookies and how will you use them?

3 6320

Why should we go for interservlet communication?

2 9070

Is it possible to call servlet with parameters in the URL?

4 15352

Can you send the mail from a servlet ,if yes tell how?

2 21312

Un-Answered Questions { Java J2EE }

Can a final variable be initialized in constructor?

970

Does ef core support lazy loading?

388

What is multi level inheritance in java?

1023

What is the difference between singleton and prototype bean?

411

What is a blocking method in Java?

1237

Give an example of beanfactory implementation.

417

Explain about tiles?

1042

What are the differences between resultset and rowset?

1127

give three popular algorithms used for encryption?

947

Can we serialize static variables in java?

1089

What is cascade persist?

392

What do you understand by j2ee?

946

I've made some changes to my applicaiton's web.xml, how and where should I update this file?

850

What causes memory leaks in java?

929

What is cascade in hibernate in which scenario we use it?

379

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