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

Is singleton class thread safe?

1069

How do you define a method?

1049

Can inner class have constructor?

1111

What is difference between protected and private?

1155

Can we create object of static class?

1087

What is functional interface in java example?

1060

What is supplier in java?

1061

How does singleton class work?

1041

Is passing by reference faster?

1052

Is singleton set an interval?

1025

Is age a discrete variable?

1045

Is singleton a bad practice?

1118

What is a function argument in java?

1049

What are measurable parameters?

1143

How do you implement singleton class?

1044

Un-Answered Questions { Java J2EE }

What is the difference between development mode and production mode of weblogic server?

1150

Is java map thread safe?

1020

What is the java authentication and authorization service (jaas) 1.0?

1159

What is thread count in java?

1065

We have some issue with our application server and we tried killing it using kill-9 command, the process disappeared for few seconds but it is back again. We did not start the server but it started. What would be the reason?

1028

What is jms testing?

951

What is methodological theory?

1048

What is jms in websphere?

925

Why default constructor is required in hibernate?

454

How to build struts application in eclipse?

1059

Define bean wiring?

469

What is the difference between RMI registry and OS Agent?

1206

Explain the dependency resolution process.

533

How can you fetch records by spring jdbctemplate?

446

How can os authentication be connected with weblogic jdriver for oracle and connection pools?

1049

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