Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
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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

How do I configure jdbc so that the jms jdbc store recovers automatically? : BEA Weblogic

963

Why do I get an exception when trying to find a connection factory? : BEA Weblogic

1027

Which are the benefits of mdb (message driven beans) over standard jms consumers? : BEA Weblogic

1022

How do I programmatically get a list of queues or topics? : BEA Weblogic

1010

Must my bean-managed persistence mechanism use the weblogic jts driver? : BEA Weblogic

952

I am using a weblogic multitier driver in an applet as an interface to a dbms. If I run the class using the sun appletviewer on my local machine, I have no problems. But when I try to run the applet in a netscape browser, it will not connect 83 the two primary cluster services provided by weblogic server are? : BEA Weblogic

903

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose? : BEA Weblogic

1021

How do I do http tunneling? : BEA Weblogic

1030

How do I protect weblogic server from security attacks from bogus clients using the wl-proxy-client-cert header? : BEA Weblogic

957

How do I use os authentication with weblogic jdriver for oracle and connection pools? : BEA Weblogic

1009

Match the ejb functions given below with the functionality equivalent in sql? : BEA Weblogic

912

Does weblogic jms support clustering? : BEA Weblogic

962

How do I put a message back on the queue for processing? : BEA Weblogic

1039

What should an xpath selector look like? : BEA Weblogic

967

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain? : BEA Weblogic

974

Un-Answered Questions { Java J2EE }

Explain the term virtual machine?

1062

What is use of i18n interceptor?

1004

What is difference between add() and addelement() in vector?

1546

Can a final variable be manipulated in java?

1002

What is binary search in java?

1008

What is the purpose of the System class?

1023

What is difference between static and singleton class?

483

What is the size of int?

1095

When singleton beans are created in spring?

492

What is a singleton class? Give a practical example of its usage.

1116

Explain the criteria object in hibernate?

428

What is the indent key?

1050

What value does readline() return when it has reached the end of a file?

1094

How do I start jms server?

850

Explain criteria api?

394

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