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

What is jakarta struts framework?

992

How you will enable front-end validation based on the xml in validation.xml?

1106

Are there c/c++ interfaces to wls jms?

892

How do I configure jms security?

868

Why does jmssession.createtopic or jmssession.createqueue fail to create a destination in wls jms 6.1 (it worked in 5.1)?

838

Which types of jdbc databases does weblogic jms support?

816

How do the wls jms 6.1 server/destination message maximum and threshold values work?

835

Does weblogic jms support clustering?

843

How do I use a startup class to initialize and later reference jms objects?

849

How do I start wls and configure jms?

848

Can two jms servers share the same persistent store?

842

How do I use a third-party jdbc driver with jms?

875

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

860

Why is my jms work not part of a user transaction (i.e., Called within a transaction but not rolled back appropriately)? How do I track down transaction problems?

853

How can an application do a jms operation and have it succeed, independent of the result of the transaction?

805

Un-Answered Questions { Java J2EE }

Explain the importance of drivermanager.

1199

Is hibernate session thread safe?

450

Difference between loadclass and class.forname?

1068

Why collection is called framework in java?

1007

What is jms connection factory in weblogic?

866

How can we make string upper case or lower case?

1095

What is nested loop? What is dangling else condition in it?

1106

what is synchronization? : Java thread

1034

What is java api for xml registries (jaxr)?

1038

What is the J2EE module?

1042

What is args length in java?

1187

Explain the types of application deployed in wls?

938

How can we find the actual size of an object on the heap?

1330

What is the usage of Hibernate QBC API?

512

What is a message topic?

835

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