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 the diff between Servletcontext and servletconfig?

5 7195

what is the purpose and activity of SessionFactory in hibernate?

Cognizant, HCL, Oracle, PiServe Technologies,

13 56381

how many access specifiers are available in java

11 23194

How many objects are created for a singleton class

Ness Technologies,

7 14807

How to sort the elements in HashMap

Ness Technologies,

3 11815

What is non static block in java

Emphasis, Ness Technologies,

10 23865

How to synchonise HashMap

IBM,

4 7926

what is defect. Is it runtime exception or comiletime exception

L&T,

3 7445

How to achieve multiple inheretence in java.I need an example. how we achieve.

2 6920

Program to output as below formate: 1 2 3 4 5 6 7 8 9 10

Huawei,

4 8027

Program to find greatest prime number in n numbers?

Huawei,

3 15870

program to validate the IP address? Validity range should be 0 to 255

Huawei,

1 10662

question on Thread synchronization

Huawei,

3 10194

diff b/w sleep(1000) and wait(1000)?

Huawei,

4 21110

Is JDBC a language or Application?

3 6356

Un-Answered Questions { Java J2EE }

What is 2nd level cache?

393

What methodology can be employed to locate substrings inside a string?

957

How do you create a null object?

1085

How do you convert boolean to boolean?

1158

How to make a non daemon thread as daemon?

1056

What is the do while loop syntax?

1034

What are the data types supported by java?

1024

Tell me about your ability to work under pressure

2197

Is swing part of core java?

1009

What is static data type in java?

1032

Why string is immutable with example?

974

What are the different ways to set up a class like spring bean?

452

Which is easier .net or java?

1081

Is it possible to use string in the switch case?

1043

What is thread dump?

939

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