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 doesn't AQ_ADMINISTRATOR_ROLE or AQ_USER_ROLE always work for AQ applications using Java/JMS API?

1 3677

Why do I get java.security.AccessControlException when using JMS MessageListeners from Java stored procedures inside Oracle8i JServer?

1 2338

What is the use of ObjectMessage?

1 2677

What is the use of MapMessage?

1 2474

What is the difference between BytesMessage and StreamMessage?

1 2673

What is object message ?

1 2330

What is text message?

1 2534

What is Map message?

1 2407

What is the difference between queue and topic ?

1 5985

What are the three components of a Message ?

1 2951

What is the difference between Point to Point and Publish/Subscribe Point-to-point (P2P)

1 2640

Why doesn’t the JMS API provide end-to-end synchronous message delivery and notification of delivery?

1 2681

What are the core JMS-related objects required for each JMS-enabled application?

1 4569

How does the Application server handle the JMS Connection?

1 3397

What is Stream Message ?

CAP,

1 3389

Un-Answered Questions { Java J2EE }

How do I minimize the downtime while i’m updating the applications?

912

What is the purpose of void class?

1117

What is one-to-one association in hibernate?

448

What is channel initiators and listeners?

1008

What is the benefit of native sql query support in hibernate?

407

What is orm navy?

374

Write a program to solve producer consumer problem in java?

1079

How many attributes are there in column annotation?

427

Is entitymanager thread safe?

496

What is java swing used for?

1056

What is finalize()?

1278

What are methods and how are they defined?

1291

What is the use of generics? When was it added to the Java development Kit?

1075

What is the difference between load() and get() method?

472

What are dispatcher servlet and context loader listener?

586

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