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

Difference between object instantiation and construction ?

1057

Difference between this() and super() ?

1101

What are different ways of object creation in java ?

1074

How can we create objects if we make the constructor private ?

992

What is a final class ?

1174

Explain inner classes ?

1123

Can static method access instance variables ?

1127

What are the methods of object class ?

1053

What are different types of inner classes ?

1045

What is stringjoiner ?

953

Difference between final and effectively final ?

1097

Difference between abstract and concrete class ?

1167

Can we create an object if a class doesn't have any constructor ( not even the default provided by constructor ) ?

1081

Can we access instance variables within static methods ?

1089

What is the use of optional ?

1033

Un-Answered Questions { Java J2EE }

What are the queues in the java collection framework? : java collections

1020

How do you control the life cycle of a spring bean?

407

What are the appserver components?

884

What is difference between hashset and hashmap?

1111

Can we have multiple spring configuration files?

427

Can you make a constructor final in Java?

1128

What are the basics of core java?

1014

Can the interface be final?

1005

Explain about interrupt() method of thread class ?

1120

What is mean by exception?

1025

If your ui seems to freeze periodically, what might be a likely reason?

1038

What is the difference between Array and Hash Table?

1026

What does a spring bean definition contain?

426

Is double bigger than float?

983

How do you call the multiple lifecycle mechanisms configured for the same bean?

421

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