Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java J2EE Interview Questions

Questions Answers Views Company eMail

Does Java support multiple Inheritance?

12 22340

What are null interfaces? Give some examples?

2 8201

Why null interfaces are used in Java?

2 8507

What is a Wrapper class?

14 44678

Write a program for recursive Traverse?

1 6267

Write a program to create a binary Tree ?

2 9226

what are Hostile Applets?

2168

what is a transient variable?

5 11737

what is the JNDI?

3 6746

What JNDI(Java Naming and Directory Interface) provides?

4 7569

Explain, why the constructor is required in implemented class?

4 8210

Where we can write Rmi registry in the code, without having to write it at the command prompt?

2839

Can a thread be a member of another thread?

2 5949

Explain the steps in details to load the server object dynamically?

5153

If we opened windows notepad 4 times, does it starts 4 processes or 4 threads?

1 4377

Un-Answered Questions { Java J2EE }

What are inner class and anonymous class?

1051

What are the major features in different versions of spring framework?

452

What is difference between context and activity?

592

I want to print “hello” even before main is executed. How will you acheive that?

1164

why are there separate wait and sleep methods? : Java thread

1087

What is cascade in hibernate?

448

Is java call by reference?

1032

What is binary tree in java?

1128

Is hashmap thread safe?

1061

What is hql (hibernate query language)?

453

What’s the default was port?

953

Is hql database independent?

647

What is a session in hibernate?

466

Is empty in java?

1124

What is a sessionfactory? Is it a thread-safe object?

1278

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