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

Core Java Interview Questions

Questions Answers Views Company eMail

what are the major differences between jdk1.4 and jdk1.5?

Cap Gemini, Crimson Logic, Infosys, TCS, Tenth Planet,

2 14574

In treeset we add same object ...what will be the out put

3 5370

why java main method is given as static method?

2 4416

what is Abstract DataType?

1 3498

why operator overloading is removed in java?

1 4147

wat is final...? wat is finally...? wat is finalize....? difference between " final and finally and finalize "...?

2 4514

can we override the main() method in java????

Vimukti Technologies,

3 7255

please write java program of instanceOf keyword implementation

TCS,

2 4998

Hi i am creating desktop application in that i want calling to mobile number. i have java telephone api (JTAPI) but i dont understand how it configure & use plese help me

1853

How to extract HashMap values?

Marlabs,

5 11835

How to Create A Wapper Class in core Java and Why are Use in java?

Amdocs,

2 6927

Difference between hashCode() & equals()?

HCL,

3 8278

What is the reason that multiple inheritance is not possible in java??

1 3697

Why are the destructors for base class and derived class called in reverse order when the program exits

HCL,

2211

Definition for connection pooling?

3 5253

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is called module?

975

What does you mean in math?

1089

What is hashmap and map?

1030

What is the main advantage of passing argument by reference?

996

How do I enable java in safari?

1037

Why collection is called framework in java?

990

What is ascii code?

1268

Explain the protected field modifier?

1098

How can I debug the Java security exceptions and AccessControlExceptions?

1153

How define set in java?

1082

What do you mean by synchronized non access modifier?

998

How can you set an applet’s height and width as a percentage?

931

Can java list be null?

997

Write a code to show a static variable?

1092

Is an array a vector?

1045

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