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 filters and its use?

Virtusa,

2 6048

what is request processor?

Virtusa,

1 5501

how to use this key word in java programming?

7 10851

what is the use of finalize()Method please explain with an example

3 11444

how to use finalize()Method to resources

TCS,

4 6903

What is Exception handling in Java How do you handle run time errors please explain with an example

Mastek, TCS,

2 7500

can you program for reverse string?

IBM,

7 12117

what is run time polymorphism

4 6704

what Data encapsulation in java?

5 10339

what is polymorphism?

4 7855

What is Servlet?

8 7935

can any one tell me what is advantage of encapsulation

2 5683

can any one tell me when do u go for inheritance and polymorphism

3 5322

How do u provide security in java

3 6488

what is the use of abstract class?

Amdocs, Atos Origin, Invictus,

3 7544

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is xslt in java?

944

What is the main use of java?

1109

What's the base class in java from which all classes are derived?

1227

What is the flag in java?

1014

Write a program to show whether a graph is a tree or not using adjacency matrix.

1055

Can we use catch statement for checked exceptions when there is no chance of raising exception in our code?

994

What are basic data types?

1050

Explain the difference between association, aggregation and inheritance relationships.

1043

Explain scope or life time of local variables in java?

990

When will you define a method as static?

1054

How to check if a list is sorted in java?

990

What are the methods available in a class?

1033

Explain about complier design(phases)

1036

What is difference between static class and singleton pattern?

976

What is variable in java?

939

For More Un-Answered { Core Java } Questions Click Here