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 are types of resultset?

993

What are the advantages of using preparedstatement in java?

987

List the advantages of using datasource?

997

What is the role of class.forname while loading drivers?

1009

Why would you use setautocommit(false) in jdbc?

1205

Explain jdbc savepoint?

977

What are the packages are used in jdbc?

1041

Prepared statements are faster. Why?

1054

Give steps to connect to the db using jdbc?

1017

Can I get a null resultset?

1024

What is the meaning of “dirty read” in the database?

1034

What do you mean by two phase commits?

1080

What are the exceptions in jdbc?

965

Explain the difference between rowset vs. Resultset in jdbc?

1001

How many ways that we can view a result set?

994

Un-Answered Questions { Java J2EE }

What is root context?

417

Mention the default values of all the elements of an array defined as an instance variable.

984

What is a dynamic array in java?

1178

Is java hashset ordered?

1113

What is metadata in hibernate?

474

Is hibernate a framework?

396

What is a singleton class in Java?

1064

What does params interceptor?

942

What is JDBC DataSource and what are it’s benefits?

1217

Can we define package statement after import statement in java?

1035

What is math exp in java?

1048

Are arrays immutable in java?

1086

What is stateful or stateless?

978

Explain creating threads by extending thread class ?

1055

What is jsr330?

405

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