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

Core Java (6529)
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Servlets (804)
Struts (701)
JDBC (771)
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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

1040

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

1054

How do I configure jms security? : BEA Weblogic

1035

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

1037

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

996

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

893

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

1119

How do I use persistence? : BEA Weblogic

1087

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

1041

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

1137

What is error ora-6502? : BEA Weblogic

979

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

931

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

1110

When should I use multicast subscribers? : BEA Weblogic

1013

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

968

Un-Answered Questions { Java J2EE }

Is @component a singleton?

467

Which HTTP method is non-idempotent?

1156

What is version property in hibernate?

483

I am unable to find or learn about print command. I have a graphical program in core java in applet but i want to give print command but i have coding for that so if anyone know about this plz mail me on avdhesh_chauhan007@yahoo.co.in

2117

what is the value time stamp format in log target for?

908

What is @configuration in spring boot? : Spring Boot

509

Spring jdbctemplate class and its application.

411

Is string is a data type in java?

1083

How do you check if a character in a string is a digit or letter?

1092

Which method is used to remove a persistent instance from the datastore?

430

What is the difference between dynamic and non-dynamic changes in the console?

1122

What is jagged array in java?

1110

Can we use jms for sending automated e-mails?

904

What are the types of ejb?

1024

Why super is first line in java?

1073

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