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

Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???

Cognizant,

2 7207

What is Connection Pooling ??? How we set up a particular connection within connection pooling ????

Cognizant,

2 7798

What will happen if we cannot mention "finally" in Java Program ???

PWC,

3 7421

What is default specifier ??? Use of default specifier ???

Cognizant, Syntel,

4 8787

write a program to create an arraylist with string(add,remove) operation.and value should be enter through keyboard.

Axcend,

2247

write a program to create an vector with string(add,remove) operation.and value should be enter through keyboard.

Axcend,

2199

write a program to create an arraylist and listeterator.and value should be enter through keyboard.

Axcend,

1 4068

write a program to create an vector and listeterator.and value should be enter through keyboard.

Axcend,

1 4012

What will happen if we write code like: try{}catch(exception e)catch(IOException i)

CTS, TCS,

6 11464

How could Java classes direct program messages to the system console, but error messages, say to a file?

2 9441

Is Java Class Threadsafe ????? How to make Java class Thread safe??

Cognizant,

2 8097

why we are using vo,dao and dto design patterns in struts framework

Wipro,

3 14815

why java does not have operator overloading?

2 5977

difference between java ,c#&java,c++

3 5877

is servlet,struts are threadsafe or not.please telme correct answer

Microsoft,

1 4561

Un-Answered Questions { Java J2EE }

What is lazy class?

478

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

1095

How is declarative handling of exceptions done in struts ?

999

What is the difference between break and continue statements?

1115

What is parsing in java?

1024

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

992

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

1058

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2257

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

1121

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

1061

What is the difference between equals() and == in java?

1032

What is an object in java and how is it created?

1120

i want test pattern of zylog company and some examples also

2855

What do you know about validation plugin ?

1022

What is difference between @controller and @restcontroller in spring?

533

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