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

In what context should the value of swing components be updated directly?

955

Why should the implementation of any swing callback (like a listener) execute quickly?

1044

How can you start a jta transaction from a servlet deployed on jboss?

1183

What if you need to span your transaction across multiple servlet invocations?

1103

Can I run seam in a j2ee environment?

990

What do you understand by the term network?

1006

Explain the generic term internet.

1034

What are the different parts of a jms message?

914

Which hibernate object wraps the jdbc connection?

466

Are enterprise beans allowed to use thread.sleep()?

1172

What is clustering? What are the different algorithms used for clustering?

1091

What is the diffrence between a local-tx-datasource and a xa-datasource?

1073

Is there a guarantee of uniqueness for entity beans?

1029

What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

1068

What do you need to set-up a cluster with jboss?

1090

Un-Answered Questions { Java J2EE }

What is the difference between math floor and math round?

1062

What is the build file?

942

Explain the difference between abstract class and interface in java?

1005

Can we make the abstract methods static in java?

1078

What are the basic and subtypes of enterprise java beans (ejb)?

1073

What is difference between steady state and transient state?

374

What is the use of @entity annotation?

491

Can a class be defined inside an interface?

1048

What are the features of hibernate?

347

Is udp stateless?

1021

Does spring data jpa use hibernate?

449

What are the ways to access hibernate using spring?

527

What is your platform?s default character encoding and how to know this?

2390

What is abstract schema?

1046

Give an alternative way to protect jsp’s with not much features from direct access.

1032

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