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 3584

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

1 2266

What is the use of ObjectMessage?

1 2581

What is the use of MapMessage?

1 2384

What is the difference between BytesMessage and StreamMessage?

1 2574

What is object message ?

1 2240

What is text message?

1 2452

What is Map message?

1 2326

What is the difference between queue and topic ?

1 5886

What are the three components of a Message ?

1 2854

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

1 2542

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

1 2562

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

1 4485

How does the Application server handle the JMS Connection?

1 3302

What is Stream Message ?

CAP,

1 3294

Un-Answered Questions { Java J2EE }

Is jdbc database independent?

969

What is the need of session tracking in web application?

1034

Can we have multiple classes in single file ?

1067

What initialize variables?

1023

What is hibernate dialect for oracle?

486

What is cascadetype in hibernate annotations?

359

What is nextline method in java?

1031

How does spring proxy work?

425

What is the benefit of using enum to declare a constant?

1103

Is void a return type?

963

What are the 6 mandatory procedures for iso 9001?

1033

What is lazy loading and why is it used for?

413

Give me some null interfaces in java?

1056

For JMS-enabled application, what are the core JMS-related objects required?

867

What are the components of jdbc?

985

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