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

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

If two threads call a static method at the same point of time, what will happen?

3 8882

There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?

KPIT,

9 13837

There are 2 classes, 1 LandAnimal and another WaterAnimal. There is another class Animal which wants to have the properties of both LandAnimal and WaterAnimal. How will you design this situation?

KPIT,

6 10812

I have a String s = java; What is the output when I say s.replaceAll('j', 'k'); Also what is the value of s after replacing?

KPIT,

8 11796

If you are reviewing the code of your team members, what points will you look at, assuming the performance of the application is not so great

KPIT,

2 6318

How will you convert an ArrayList to Arrays?

KPIT,

4 9347

steps to connect with Oracle Databse using TYPE-2 Jdbc driver.

3 11999

how do we get the connection from connection pool

1 4366

what are the methods of an object class?

3 6416

can u give one sinario when you use Abstract Class and When you use Interface.

ITC Infotech,

5 9856

What does 'stub' mean in weblogic server?

3 22545

Nullpointer exception is a very common exception. Why is it not made as a checked exception?

Ness Technologies,

2 7821

What is the difference between Checked and Unchecked exception? Give some examples

Ness Technologies,

2 8055

What is the purpose of having the concept of overloading?

Ness Technologies,

7 18785

How does Vector implement synchronization?

Ness Technologies,

4 12446

Un-Answered Questions { Java Related }

What is resultsetmetadata in java?

908

What can you do with xml access scripts?

910

What are the new features in spring 5?

455

What is bean? Where can it be used?

1193

Is arraylist dynamic in java?

1013

How important is the spring bean configuration file?

612

Please can anybody explain what exactly "the project architecture" means???

2231

What is the preferred size of a component in java?

893

What is return type in java?

1085

What portal resources can't be seperated for virual portal ?

884

What is the default cache service of hibernate?

441

Why should we use singleton pattern instead of static class?

950

What is a topic?

916

What is command line argument

1210

When a thread is executing synchronized methods , then is it possible to execute other synchronized methods simultaneously by other threads?

1097

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