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 is meant by Servelet? What are the parameters of service method?

2 6898

What is meant by Session? Explain something about HTTP Session Class?

1 9658

how to make hashmap object as synchronized object?

BOB Technologies,

2 5238

how to execute main()

Symphony, TCS,

4 7494

can we overload main method?

TCS,

8 8947

we cannot create an object of interface but we can create a variable of it

1 5242

There are three interfaces A,B & C. A extends B, B extends C, and C extends A.Is it multiple Inheritance? please anybody help me.....

5 9996

abstract class A{ int list []=new int [100]; A(int x,int y){ rondom n=new rondom(); for (int i==;i<100;i++); list [i]=x+r.next int(y-x+1); abstract sort (); abstract binary sarch(int temp); class B extends A{

3 4669

Can we override the main method?

4 6992

make a method which any number and any type of argument and print sum of that arguments.....

1652

can write code for serialization ?

HCL, MegaSoft,

1 3783

What is Yield() method when we r using this ? tell exactly

2 4525

How to print a statement without using semicolan in java

HCL, IBM,

6 11317

Hi friends i want display Triangle shap stars(*) please can tell me any one java code logic? * *** ***** ******* Like this

NIIT, TCS,

2 5903

What is the difference between Java1.4 and Java1.5

NIIT,

2146

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Un-Answered Questions { Core Java }

How to sort an unsorted array in java?

949

Why pass by reference is not possible in java?

834

What are the restrictions that are applied to the java static methods?

835

In java how do we copy objects?

847

What are the different collection views provided by maps?

840

What is the abstraction?

859

What is the do while loop syntax?

868

How do I find and replace in word?

811

Who is founder of java?

842

Difference between collection, collection and collections in java?

865

How to instantiate member inner class?

922

What happens if I remove static from main method?

852

What mechanism does java use for memory management?

808

What is the difference between logical data independence and physical data independence?

852

what is static import in java? Explain

858

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