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 6226

what is request processor?

Virtusa,

1 5664

how to use this key word in java programming?

7 11242

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

3 11714

how to use finalize()Method to resources

TCS,

4 7181

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

Mastek, TCS,

2 7672

can you program for reverse string?

IBM,

7 12543

what is run time polymorphism

4 6995

what Data encapsulation in java?

5 10671

what is polymorphism?

4 8145

What is Servlet?

8 8362

can any one tell me what is advantage of encapsulation

2 5914

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

3 5578

How do u provide security in java

3 6740

what is the use of abstract class?

Amdocs, Atos Origin, Invictus,

3 7861

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is mysql driver class name?

1213

What do you understand by the term string pool?

1075

What is the default value of the local variables?

1088

What is final, finally, finalize?

1197

we have syntax like for(int var : arrayName) this syntax is to find whether a number is in the array or not.but i want to know how to find that number's location.

2083

How variables are declared?

1035

What is arraylist class in java?

1127

Why are getters and setters used?

1106

Which is a valid identifier?

1311

How many types of design patterns are there?

1172

What is foreach loop in java?

1075

Difference between error and exception

6176

What do you mean by platform independence? What is an interface?

1079

What are variable arguments or varargs?

1067

What happens if an exception is throws from an object's constructor?

1181

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