Core Java Interview Questions
Questions Answers Views Company eMail

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

2 5926

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

1 9178

how to make hashmap object as synchronized object?

BOB Technologies,

2 4560

how to execute main()

Symphony, TCS,

4 6170

can we overload main method?

TCS,

8 7533

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

1 4689

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 8779

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 3909

Can we override the main method?

4 5964

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

1358

can write code for serialization ?

HCL, MegaSoft,

1 3256

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

2 3898

How to print a statement without using semicolan in java

HCL, IBM,

6 10033

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

NIIT, TCS,

2 5164

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

NIIT,

1799


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Un-Answered Questions { Core Java }

What does exclamation mean in java?

550


What is difference between equals and hashcode method?

542


what is daemon thread and which method is used to create the daemon thread? : Java thread

508


Why do we use bufferedreader?

508


Why do we use regex?

538






What is an empirical question?

521


Can we catch more than one exception in a single catch block?

605


How many JVMs can run on a single machine and what is the Just-In-Time(JIT) compiler?

551


What is the access scope of protected access specifier?

514


What is the difference between a window and a frame in java programming?

558


What is rule of accessibility in java?

524


Can I declare a class as private?

559


What is java literals?

555


Can an integer be null java?

531


Explain java thread life cycle.

561