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 blank final variable?

3 6507

difference throws and throw in java

3 5219

What is “try and catch” in java

2 4759

Integer.parse Int(bf.readLine(System.out.println("enter value for n["+m+"]:"))); can it run under this

1 3060

Why will the manage server goes to ADMIN Mode and Unknow Status?

HCL,

8 16682

what is the weblogi licence?

TCS,

3 8434

How to delete connection pool?

TCS,

3 9695

how will u check process id?

IBM, TCS,

8 14095

when we enter the data in the form how it is stored in formbean class setter and getter methods?

TCS, Wipro,

1 4799

what is the struts internal code?

Wipro,

1 5257

what is mean by ooad? where we are using? can you tell me any real time example?

Eka Software,

1 3888

What is mean by UML? what is the use? where we are using?

Eka Software,

1 4533

Any one can explain how the inerface uses in java. give with example.

IBM,

1 2930

My Question is that i am using tag in my servlet and after compilation after that calling by url in my browser then images are not showing. Sometime images are showing and sometime is not showing. I am using Tomcat to run my servlets. Tell me if there any specification for image in servlets or what is solution for this ??

2 5354

interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?

2 5756

Un-Answered Questions { Java J2EE }

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

973

What is the difference between @autowired and @qualifier?

453

How are destructors defined in java?

1030

How to handle exceptions in structs?

1107

What is the diffrence between a local-tx-datasource and a xa-datasource? Can you use transactions in both?

1030

What is a class loader? What are the different class loaders used by jvm?

1103

What is use of static method?

1049

Why do we need autowiring in spring?

422

What is jdbc odbc bridge in java?

1071

How can I connect mysql or oracle with java?

962

What is publish/subscribe messaging?

887

When throws keyword is used?

995

What is a connection factory?

837

What is apache struts vulnerability?

926

What is a thin client?

1028

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