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 3586

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

1 2269

What is the use of ObjectMessage?

1 2591

What is the use of MapMessage?

1 2387

What is the difference between BytesMessage and StreamMessage?

1 2579

What is object message ?

1 2248

What is text message?

1 2455

What is Map message?

1 2329

What is the difference between queue and topic ?

1 5894

What are the three components of a Message ?

1 2855

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 2567

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

1 4487

How does the Application server handle the JMS Connection?

1 3305

What is Stream Message ?

CAP,

1 3297

Un-Answered Questions { Java J2EE }

What is the purpose of skeleton and stub?

1248

Why does it take so much time to access an applet having swing components the first time?

1929

How do I start wls and configure jms?

835

What types of validations are available in xml based validation in struts2?

1061

What happens if my dmgr is not running?

996

What is jdbc driver in java?

933

What is data movement?

1142

What does hibernate show_sql true mean?

394

List types of storage classes in java?

1155

What is a concrete classes? Is Java object class is concrete class?

984

What's the base class of all exception classes?

1064

What is the maximum length of a url?

971

What is a servlet context object?

1140

What is java english?

1008

What is java literals?

1137

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