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 releases of Java technology are currently available? What do they contain?

1 2614

What restrictions are placed on method overloading and method overriding?

5 31425

What are the standards to place package statement within a source code file?

1 3613

What is the return type of read()?

3 7008

What is the return type of readLine() when end of a file is reached?

2 11488

What for read() function?

3 8903

What happens to the Exception object after handling an exception?

2367

What is stop(), suspend(), resume() method?

3 25226

What are MalformedURLException and UnknownHost Exceptions and whey they will be thrown?

2 4697

Under what circumstances an object reference be cast to an interface reference?

3 8161

When do you create an index?

2028

When does Exception occurs?

3 6261

In what circumstances, compiler will supply a default constructor for a class?

4 6498

When is an object in the mean to garbage collection?

3 6369

What are init(), start() methods and whey they are called?

2 8613

Un-Answered Questions { Java J2EE }

When do you get classcastexception?

1029

What is a rowmapper?

399

Is active record an orm?

325

What are the types of interface used in the java collections? : java collections

1034

What is sqlprovider?

418

What does it mean to "materialize" data?

987

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

944

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

1096

How can I run multiple instances of the same servlet class in the same weblogic server instance? : BEA Weblogic

1007

How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters in java programming?

1004

Why heap memory is called heap?

1042

Is 0 true or false?

998

What are the advantages of compute node?

1058

What is ip pool count?

508

What is the usage of callback interfaces in hibernate?

602

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