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

Must ejbs be homogeneously deployed across a cluster? Why? : BEA Weblogic

1036

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

1051

How do I configure jms security? : BEA Weblogic

1031

Why does executing the preparedstatement class cause a trunc fails: ora-00932: inconsistent datatypes error? : BEA Weblogic

1035

Why ca not I boot weblogic server when using the ldap security realm? : BEA Weblogic

993

How do I look up an ora sqlexception? : BEA Weblogic

890

Why do I get an error while trying to retrieve the text for ora-12705? : BEA Weblogic

1116

How do I use persistence? : BEA Weblogic

1082

Why am I getting an ora-01000: maximum open cursors exceeded error, even though I closed all resultset, statement, and connection objects? : BEA Weblogic

1039

What happens when a failure occurs and the stub cannot connect to a weblogic server instance? : BEA Weblogic

1135

What is error ora-6502? : BEA Weblogic

976

Which of the attributes in the monitoring tab for a jdbc connection pool in the administrative console tell us how many clients are currently waiting for a connection? : BEA Weblogic

929

Are there c/c++ interfaces to wls jms? : BEA Weblogic

1107

When should I use multicast subscribers? : BEA Weblogic

1008

How do I bind string values in a preparedstatement? : BEA Weblogic

963

Un-Answered Questions { Java J2EE }

What is use of final keyword in java?

998

Can private class be extended java?

1044

Why is dao used?

439

Can we sort array in java?

966

Wat is jms client?

915

What are the ways to handle multi-threading in servlets?

1094

What is spring and hibernate framework?

371

What is hibernate model class?

432

Where is mysql jdbc driver located?

1052

Can I set the deployment order for application modules? For standalone modules?

1024

Why does JComponent have add() and remove() methods but Component does not?

1022

What are the different types of java?

1078

What is the difference between stringbuffer and stringbuilder class?

1125

What is threaded programming and when is it used? : Java thread

1080

how to get the depth of a queue?

1071

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