Core Java Interview Questions
Questions Answers Views Company eMail

briefley expalin about the packages

3 3334

explain about method overloading and method overriding with difficult examples

4 5710

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

TCS,

1706

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,

1600

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

Wipro,

6 6257

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 11321

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

TCS,

1 4047

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

1553

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

1500

Where will it be used?

1501

What is the main functionality of the remote reference layer?

1407

How do you download stubs from Remote place?

1350

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

2626

What is the main functionality of Prepared Statement?

4 6199

What is meant by Static query and Dynamic query?

2 5590


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Un-Answered Questions { Core Java }

What is the difference between inheritance and encapsulation?

585


What is an object in java and how is it created?

578


What is a flag and how does it work?

497


Can we have return statement in finally clause? What will happen?

506


How to store image in arraylist in java?

503






What is the primitive type short?

572


What is this keyword used for?

678


What do you mean Abstraction in java?

601


How many inner classes can a class have?

565


Write a java program to check if a number is prime or not?

530


Which variable is the independent variable?

528


Print Vertical traversal of a Binary Tree.

601


What is the console in java?

669


What is compareto?

535


Explain java coding standards for methods?

596