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Core Java Interview Questions
Questions Answers Views Company eMail

briefley expalin about the packages

 3 2926

explain about method overloading and method overriding with difficult examples

 4 5201

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

TCS,

1553

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,

1454

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

Wipro,

6 5726

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 10523

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

TCS,

1 3714

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

 1366

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

 1341

Where will it be used?

 1326

What is the main functionality of the remote reference layer?

 1266

How do you download stubs from Remote place?

 1218

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

 2482

What is the main functionality of Prepared Statement?

 4 5729

What is meant by Static query and Dynamic query?

 2 5328

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Un-Answered Questions { Core Java }

Can a class with private constructor be extended?

353

What is a byte string?

483

Can we override static methods in java?

453

What is the use of set in java?

462

Does set allows null in java?

369




What is the difference between call by reference and call by pointer?

348

What is thread pool? How can we create thread pool in java?

477

Does the order of public and static declaration matter in main method?

464

What do you mean by global variable?

391

Can a method be static?

390

Can you make a constructor final?

405

what is a green thread? : Java thread

442

What is the use of singleton class?

398

can I implement my own start() method? : Java thread

408

What is public static?

365

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