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Java J2EE Interview Questions
Questions Answers Views Company eMail

I dont want to use serialzable in java is there any another concept so plz tell me

WDC,

3 5498

explain the collection in java

WDC,

1 3854

How to implement Singleton

DELL,

6 8044

what is core dump? diff b/w core dump and c dump?

IBM, TCS,

1 7764

what is digital certificate?

HCL, IBM,

3 8616

How does marker interface provides functionality to the implemented class ? or How dose maker interface gets the functionalities as serialization or cloning.

Cap Gemini,

4 7493

What are different Methods and Classes written in a Session Bean

DELL,

1 5185

what is collections in java?

 4 5036

how can i kill thread without stop() and destroy()

 1 4718

can i call multipule form beans in Action class?

Wipro,

1 5005

Why sleep()is in Thread and wait() in Object class? Why can't I have both in one class or vice versa?

 1 5287

This is related to threads. I have a class with synchronized method m1(). Can I create different instances of this class and execute the m1() for different threads?

3 4837

What compiler do not do if we create our own constructor?

HCL,

5 6645

Which method is called when reference variable is passed in system.net?

HCL,

1827

Difference Between getRequest and PostRequest?

HCL, TCS,

8 9398

Un-Answered Questions { Java J2EE }

Can private class be inherited in java?

547

Explain what an application server does and it's major components.

524

Explain the different types of memory used by jvm?

612

What are the differences between bean factory and application context?

160

Explain the difference between hibernate and spring.

154




What is the Difference between Final Class && Abstract Class?

613

How struts application can be integrated with spring?

135

What is a spring in java?

174

Explain about features of local inner class?

599

After which hibernate version, related entities are initialized lazily?

160

What is the difference between class forname and new?

544

Do subclasses inherit annotations?

175

how to implement jdbc-odbc bridge driver (type 1) in websphere?

466

In how many ways we can do exception handling in java?

575

Which method is used by the applet to recognize the height and width?

652

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