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 2625

What restrictions are placed on method overloading and method overriding?

5 31449

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

1 3628

What is the return type of read()?

3 7019

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

2 11502

What for read() function?

3 8909

What happens to the Exception object after handling an exception?

2370

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

3 25242

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

2 4704

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

3 8178

When do you create an index?

2032

When does Exception occurs?

3 6284

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

4 6518

When is an object in the mean to garbage collection?

3 6384

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

2 8623

Un-Answered Questions { Java J2EE }

I want to persist data of objects for later use. What’s the best approach to do so?

934

What is binary search in java?

995

What are the steps involved to write rmi based programs?

1018

Explain about the security features present in WAS?

843

How to optimize the javac output?

1023

What is the bean factory in spring?

425

What is meant by 'bit masking' in java?

1188

What is square root in java?

1108

How do you get the length of a string in java?

1008

What is 16 bits called?

946

what is the significance of listiterator in java?

1080

what is aggregation in java?

1015

What is a return in java?

1029

What is lazy loading and what is Generic Servlet Class?

1081

What is nextline method in java?

1030

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