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Core Java Interview Questions
Questions Answers Views Company eMail

briefley expalin about the packages

 3 3347

explain about method overloading and method overriding with difficult examples

 4 5718

explain the concept of virtual method invocation in polymorphism in detail?

TCS,

1712

Addition to previous section relative word 5th one was Putrid ans: rotten, also there was prob. in 1st section on bucket weight ans:10kg, also there was a prob. on train speed to find bridge length ans:800 mtrs.

V2 Solutions,

1602

we have a 100 classes at that time which class we have to write main method? pls help me

Wipro,

6 6273

class A { public void disp(int a,int b) { System.out.println("hai"); } } class B { public void disp(int a,int b,int c) { System.out.println("hai"); } } above program is overloading or overriding?

Infosys, Wipro,

9 11336

where to use join method and explain with real time senario?and programatical explenation also..

TCS,

1 4055

In a container there are 5 components. I want to display all the component names, how will you do that?

 1557

What is the exact difference in between Unicast and Multicast object?

 1503

Where will it be used?

 1501

What is the main functionality of the remote reference layer?

 1409

How do you download stubs from Remote place?

 1352

I want to store more than 10 objects in a remote server? Which methodology will follow?

 2630

What is the main functionality of Prepared Statement?

 4 6208

What is meant by Static query and Dynamic query?

 2 5595

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Un-Answered Questions { Core Java }

What is * argv?

699

Can we declare main () method as non static?

516

How do you start a thread?

542

What are the main differences between the java platform and other platforms?

525

What is thread synchronization in java?

477




Can we call thread start () twice?

511

Difference between a process and a program?

611

How dead lock situation occurs in java and how you can identify it?

538

Why are the objects immutable in java?

542

Are arrays immutable in java?

538

Is static a singleton?

519

What is a dynamic array java?

511

What is a class instance variable?

614

What does regex mean?

563

Can you start a thread twice in Java?

627

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