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

Wt is the main difference between Java and Java J2EE and Advanced java?

Wipro,

5 23707

What is "Java Native Interface" and how to use it?

IBM,

1 6009

can any one tell me how to implement tcng (Traffic Control Next Generation) with HTB (Hierarchical Token Bucket) in Java?which particular class or API is used for that?

Accenture,

2830

What is the diff. b/w Interfaces & Abstract class?

Ericsson,

6 10477

Which of these methods belong to Thread & Object class? join, yield, sleep, wait, notify

Ericsson,

3 10150

Can we instantiate Interfaces?

Ericsson,

7 15490

What do you mean by the term transient?

Ericsson,

5 11425

What are the two ways you can synchronize a block of code?

Ericsson,

5 14092

Can we call destroy() method inside the init() method? What happens when we do so?

Ericsson,

9 24187

Package1 and Package2 both have a method name lets say "methodA" with different implementation. When I import both the packages in a java class how can I use both the methods?

Ericsson,

7 11264

How can you sort dates?

TCS,

2 9313

Why to give the file name same as the public class name in java?

3 7138

What happens when Two users requests for same action class? How the threads are controlled?

4 8948

What is a domain structure? Does include cluster(s) and server instance(s)?

Oracle,

3 10620

Is there any use of an abstract class which has no methods and no attributes?

Wipro,

1 4900

Un-Answered Questions { Java J2EE }

How to integrate Hibernate with Servlet or Struts2 web applications?

351

Write a program to find maximum and minimum number in array?

1003

What is the advantage of ioc in spring?

425

In which language java is written?

984

What are the ways by which configuration metadata can be provided to the spring container?

490

What are the two ways in which thread can be created?

1053

What is jfc? What are the features of jfc?

1034

What is yield () in java?

889

How to create entity class in hibernate?

433

Explain the difference between dynamic and non-dynamic changes in the console?

1063

Which memory space does thread stack get allocated from?

902

What is the difference between the size and capacity of a vector?

1044

Is there any difference between synchronized methods and synchronized statements?

1101

What is difference between singleton and prototype bean?

447

What happens if I remove static from main method?

1010

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