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 6513

difference throws and throw in java

3 5224

What is “try and catch” in java

2 4771

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

1 3064

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

HCL,

8 16706

what is the weblogi licence?

TCS,

3 8451

How to delete connection pool?

TCS,

3 9707

how will u check process id?

IBM, TCS,

8 14107

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

TCS, Wipro,

1 4802

what is the struts internal code?

Wipro,

1 5266

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

Eka Software,

1 3895

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

Eka Software,

1 4551

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

IBM,

1 2933

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 5361

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 5764

Un-Answered Questions { Java J2EE }

What is multithreading and its advantages?

1071

Why we use hibernate instead of jdbc?

487

How can you run a servlet program?

1085

What is spring bin?

464

Explain what do you mean by functional overloading in java?

1020

What is defined as false sharing in the context of multithreading?

1045

Is jpa better than hibernate?

360

What is a framework? Explain the spring framework.

429

What is the design pattern used in spring ioc?

454

what are synchronized methods and synchronized statements? : Java thread

997

how to write a server program and sending the mails to the server using smtp protocol please help me

2066

How can forward action be used to restrict a strut application to mvc?

980

What is boolean flag in java?

1096

Why should we use ejb?

929

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

988

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