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 106800

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

4 20951

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

emc2, JK Technosoft,

16 28502

What are the disadvantages of using threads?

Oracle, SFS,

3 12950

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

Kingshir, Oracle,

6 13112

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

IBM, Polaris,

4 22935

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 4544

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 12934

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

OnMobile,

3 10319

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

IonIdea,

2 10349

How to pass runtime Parameter in Struts1.2?

2 12293

why servlet is used as controller not JSP?

MCS,

9 22754

How to create validations?what are struts validation components?

2 13207

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

HCL,

5 15745

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

OHO, TCS, Wipro,

15 59137

Un-Answered Questions { Java J2EE }

What is lazy class?

478

What are the differences between heap and stack memory in java?

1122

Differentiate between static and non-static methods in java.

1115

explain different ways of using thread? : Java thread

1076

What do you mean by an interface in java?

1095

Is minecraft 1.15 out?

1034

How to create a base64 decoder in java8?

1128

What do you know about validation plugin ?

1022

How to sort array in descending order in java?

982

Can we return resultset in java?

985

What is a classloader in java?

1080

What is difference between @controller and @restcontroller in spring?

533

Find Best Job Vacancies across the world on Jooble!

126

What are the contents on web.xml in struts application ?

1058

What is action chaining ?

1157

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