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

Explain the architectural relationship between EJB & XML?

Wipro,

1 5710

What is Type-3 Driver and when this driver is used?

Wipro,

3 9801

Can you create an index on sex column where there is M or F?

Wipro,

1 7273

How can you tune SQL statements?

Wipro,

2 6686

How to execute bulk number of queries at once?

Wipro,

3 9987

Is the JDBC-ODBC Bridge multi-threaded?

Wipro,

2 13458

What are null interfaces in JAVA ? and give me some examples?

5 19790

Explain Global variables in Packages?

4 8570

Explain about GridBag Layout?

1 4551

What is HashTable?

4 12891

what is Dictionary? and what purpose it is used for?

3 6613

Have you used any version control ? if so explain about it?

2 6447

How OOPS concept is achieved in Java?

Cognizant, JPMorgan Chase, Xavient,

6 25569

How are Java source code files named?

3 9032

How are Observer and Observable used?

3 7640

Un-Answered Questions { Java J2EE }

Explain about Connection interface?

971

What are format specifiers in java?

1114

Can we synchronize static methods in java?

1152

What is genericgenerator hibernate?

467

Explain method overloading?

1081

Explain jdk, jre and jvm?

1026

Which class is the superclass of all classes?

1158

What is replacefirst in java?

1184

What causes memory leaks in java?

989

What do you mean by dynaactionform?

1033

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

1150

How to sort double array in java?

1043

What is jms testing?

951

What are some examples of variable costs?

1017

Can you control when passivation occurs?

1124

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