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

While in CallableStatament using in the oracle my procedure is return no.of columns so in java how can i retrivbe the data and i wnat to view all data which is reetrive from my procedure

ADP,

2137

what are JSP tags? what is difference between include action and directory?

ADP,

2290

what are the struts tags?

1 4473

what is main purpose of interface?

Accenture, HCL, NIIT,

2 14350

what is main purpose of abstract class?

7 13735

what is difference between abstract factory and factory design patterns?

2367

what is template design pattern?

2527

write a class to input 2 points by the user & check the line maked by the points is horizontal,vertical or rectangle?

1 2926

What is diffennce between AWT & SWING?

4 6936

What are the ways of polymorphism other than Overridding & Overloading

1 6036

Can we have a abstract class withought any method? What is a purspose of this?

3 6519

Howto get an object that will perform date & time calculations then format it for output in some different locales with different date style.can ne1 tel me the answer of this question.pls

1915

what is the purpose of load_on_startup entry in struts- config.xml?

Satyam,

8 15183

What is the difference between throw and throws?

Cap Gemini,

5 13244

1. What is clustering? How do weblogic instances communicate in a clustered environment! 2. In a cluster, if one of the servers has issues and is not accessible, will the other servers know about it? and how??

6 27036

Un-Answered Questions { Java J2EE }

What are the different types of annotations?

416

How do I know which jdbc driver to use?

1006

What is JMS API Architecture?

1337

Explain the steps in details to load the server object dynamically?

5104

Explain all ways of doing deployments?

960

What is a default method?

1049

Difference between loadclass and class.forname?

1053

Can remove() be a Stateless Session bean?

1091

What happens if acknowledge() is called within a transaction? : BEA Weblogic

960

What is wlst?

1011

What can I do when I get java.lang.outofmemoryerror because producers are faster than consumers? : BEA Weblogic

975

Why is sessionfactory immutable?

363

Are arrays passed by reference in java?

912

Is autowired a dependency injection?

418

Name few java.lang classes introduced with java 8 ?

987

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