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 do you meant by Platform-Independent?

Persistent,

6 13714

Why Java is not purely object oriented?

Elitecore, Persistent, Reliance, Wipro,

50 78387

what do you meant by Runtime Polymorphism?

BVIMR, IBM, Persistent,

13 35946

How to call static method?

Epoch,

4 8806

Difference between ?System.out.println? and ?System.error.println??

Sai Softech,

8 28471

Difference between abstract class and Interfaces?

CTS, iFlex, PA Consulting, Sai Softech, Value Chain,

7 16589

what is the use of declaring constructor as private?

Cyient, IVY Technologies, Sai Softech, Virtusa,

5 15082

Difference between array and arraylist.

Arise Solution, Banca Sella, iFocus, NIC, Sai Softech, Solartis, TCS, Verizon,

23 156726

Difference between Hash Table and Hash Map?

Persistent,

10 22777

What is the difference between a Strut and a Class?

1 7875

What are the Internal servlets maintained by the web server?

Infosys,

1 6931

what are the CGI Programs?

5 7379

what is servlet and what you get when we use servlets?

GGK Tech, Satyam,

7 22105

Life Cycle of servlets?

3i Infotech,

4 11282

How can you maintain servlet chaining?

1 5150

Un-Answered Questions { Java J2EE }

What are some of the best practices for spring framework?

477

Write a program to print fibonacci series up to count 10.

901

How to implement joins in hibernate?

386

Can you declare an interface method static?

1056

What are the steps involved in placing a servlet within a package?

1078

How is hashset defined in java?

1033

What does it mean that a method or field is “static”?

973

What is set in java?

1043

Are spring beans singleton?

394

What is composite key in hibernate?

375

What is the jms client?

933

What is one to many and many to many relationships one to many?

423

Explain inversion of control?

414

Do you know what is the local interface used by web logic server?

1101

What is proxy object in hibernate?

475

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