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 14019

Why Java is not purely object oriented?

Elitecore, Persistent, Reliance, Wipro,

50 80485

what do you meant by Runtime Polymorphism?

BVIMR, IBM, Persistent,

13 36733

How to call static method?

Epoch,

4 9068

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

Sai Softech,

8 28851

Difference between abstract class and Interfaces?

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

7 16950

what is the use of declaring constructor as private?

Cyient, IVY Technologies, Sai Softech, Virtusa,

5 15430

Difference between array and arraylist.

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

23 157898

Difference between Hash Table and Hash Map?

Persistent,

10 23245

What is the difference between a Strut and a Class?

1 7991

What are the Internal servlets maintained by the web server?

Infosys,

1 7034

what are the CGI Programs?

5 7609

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

GGK Tech, Satyam,

7 22443

Life Cycle of servlets?

3i Infotech,

4 11551

How can you maintain servlet chaining?

1 5264

Un-Answered Questions { Java J2EE }

explain different ways of using thread? : Java thread

1075

What is lazy class?

478

How to create a base64 decoder in java8?

1127

Write a program to find the whether a number is an Armstrong number or not?

1095

Realized?

2250

What are the contents on web.xml in struts application ?

1058

Can we return resultset in java?

985

What do you know about validation plugin ?

1022

What is latest hibernate version?

484

Explain public static void main(string args[]) in java.

1061

What are the differences between heap and stack memory in java?

1121

What is action chaining ?

1156

what are the different modes of archival? Explain each mode in two lines each?

992

What is the difference between filters and interceptors ?

1293

How can you inject java collection in spring?

501

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