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 3585

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

1 2267

What is the use of ObjectMessage?

1 2586

What is the use of MapMessage?

1 2385

What is the difference between BytesMessage and StreamMessage?

1 2575

What is object message ?

1 2241

What is text message?

1 2453

What is Map message?

1 2327

What is the difference between queue and topic ?

1 5888

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 2566

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 3303

What is Stream Message ?

CAP,

1 3294

Un-Answered Questions { Java J2EE }

How many times the Functional map will execute, if the attributes are 2 independent groups, one occurs 3 times and occurs 2 times? What if the 2 groups 2 dependent?

841

What are sessions in servlets?

1066

What are the types of methods in java?

1117

what are the activation groupworks?

2202

What is the difference between a scrollbar and a scrollpane?

1057

What is the advantage of ioc in spring?

425

What is application client module?

991

What are checked exceptions?

1034

What is aop?

491

What is qualitative variable?

928

What is SSL in weblogic ?

1009

Which method is used by the applet to recognize the height and width?

1093

What is called module?

977

What are the different modules of wlst?

1024

Should database connections be singleton?

963

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