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

What is session in hibernate and how to get it?

458

Explain about hibernate proxy?

343

Difference between save() and saveorupdate() method of hibernate?

448

Difference between managed associations and hibernate associations?

420

What are the major advantages of hibernate framework?

344

How to achieve mapping in hibernate?

360

Define hibernate validator framework

341

Mention some important annotations used for hibernate mapping?

336

Difference between session and sessionfactory in hibernate?

435

How do you integrate hibernate with struts2 or servlet web applications?

364

What are the different states of a persistent entity?

486

What are the advantages of using hibernate over jdbc?

310

Difference between the first and second level cache in hibernate?

332

What are the different functionalities supported by hibernate?

532

Which are the design patterns that are used in hibernate framework?

359

Un-Answered Questions { Java J2EE }

What is the difference between break and continue statements?

1037

What is join () in java?

964

What is the difference between and merge and update?

378

What is hibernate 2nd level cache?

456

What is cascadetype in hibernate annotations?

358

How many messages are sent across the network for processing topic messages? : BEA Weblogic

984

Explain what is orm?

1103

How to check hibernate version in spring boot?

677

What is the purpose of @validations annotation?

1015

What is the flow of spring mvc?

435

If you do not want your class to be inherited by any other class. What would you do?

1002

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

1148

List the important attribute and elements of action mapping under struts.

986

What is the java authentication and authorization service (jaas) 1.0?

1067

What is the difference between maven and spring?

444

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