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

why java does not support multiple inheritance

Diamond, Euclid, Evergent, KLKJ, Mind Tree, NIIT, SSI Small Scale Industries, Wipro,

41 104943

why to use transient variables when static variables can be used for Serialization

4 20702

Which method the Servlet container call to create the instance of the servlet?

emc2, JK Technosoft,

16 27759

What are the disadvantages of using threads?

Oracle, SFS,

3 12760

Can you write Java code for declaration of multiple inheritance in Java ?

Kingshir, Oracle,

6 12773

diff b/w client side testing n server side testing? how to pass paramerers in winrunner?

IBM, Polaris,

4 22722

Hello frds .recently I've got a call for the test in infosys .iam having 1.5 yr exp in java pltfrm.plz can anyone tell the main process( in detail) for infosys experienced professionals

1 4452

1.HttpSession 2.Hidden fields 3.URL Rewriting these primitive type of Session maintainance. What is the other type of process that could help to maintain the Session? pls Explain the process if u know?

OnMobile,

5 12734

Why DOM Parser would take more Memory than SAX parser while they are parsing?

OnMobile,

3 10120

is that compulsory to have Primarykey-forignkey for joints (outer inner,equal)

IonIdea,

2 10194

How to pass runtime Parameter in Struts1.2?

2 12153

why servlet is used as controller not JSP?

MCS,

9 22392

How to create validations?what are struts validation components?

2 13045

How to set email notification using struts.Plz give the example code?

HCL,

5 15505

How many types of action clases are there in stuts and their uses?

OHO, TCS, Wipro,

15 58388

Un-Answered Questions { Java J2EE }

How to sort an array from smallest to largest java?

991

What is java full form?

1034

Is a string literal?

1102

what is heap memory?

1101

What does the exclamation mark mean in java?

1251

How we can create war file in servlet?

1132

How can the referrer and the target urls be used in servlet?

1011

What is jdbc and its types?

964

How big is a 32 bit integer?

1045

Why is my jms work not part of a user transaction (i.e., Called within a transaction but not rolled back appropriately)? How do I track down transaction problems? : BEA Weblogic

910

What is metadata in hibernate?

474

What is @controller in spring?

498

What are different types of autowire?

412

What does %d do in java?

1053

What is the meaning of batch updates?

1096

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