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 is casting in java programming?

1060

What is the preferred size of a component in java programming?

1018

What is the difference between the paint() and repaint() methods in java programming?

1206

Can an anonymous class be declared as implementing an interface and extending a class in java programming?

1307

What an i/o filter in java programming?

1123

What advantage do java's layout managers provide over traditional windowing systems?

976

What is synchronization and why is it important in java programming?

958

What is the purpose of the wait(), notify(), and notifyall() methods in java programming?

1095

What restrictions are placed on method overriding in java programming?

1023

What is the purpose of the enableevents() method in java programming?

1211

What is the difference between static and non-static variables in java programming?

998

What is a native method in java programming?

1089

How can a gui component handle its own events in java programming?

1059

What happens when a thread cannot acquire a lock on an object in java programming?

1037

Is java a super set of javascript?

1122

Un-Answered Questions { Java J2EE }

Define jre i.e. Java runtime environment?

1031

What is the use of request dispatcher interface?

1027

What is the importance of init() method in Servlet ?

1095

Can you inherit a constructor java?

1108

How can we display validation errors on jsp page?

1028

What are invisible components?.

2159

What does function identity () do?

982

Does hibernate use jdbc internally?

563

when you use migration wizard (pmt) for websphere application server 8, do you expect to have all profile services up and running again?

825

What is stack class in java?

1058

What are spring aspects?

440

Explain the persistent classes in hibernate?

432

What is the difference between servlet and jsp?

1139

My users authenticate with one userid but I want them to be identified with another ID from LDAP. Is that possible?

819

How to retrieve warnings in jdbc?

1004

For More Un-Answered { Java J2EE } Questions Click Here