Core Java Interview Questions
Questions Answers Views Company eMail

what is filters and its use?

Virtusa,

2 5382

what is request processor?

Virtusa,

1 5056

how to use this key word in java programming?

7 9481

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

3 10489

how to use finalize()Method to resources

TCS,

4 5933

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

Mastek, TCS,

2 6775

can you program for reverse string?

IBM,

7 10842

what is run time polymorphism

4 5769

what Data encapsulation in java?

5 9250

what is polymorphism?

4 6621

What is Servlet?

8 6405

can any one tell me what is advantage of encapsulation

2 4941

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

3 4514

How do u provide security in java

3 5696

what is the use of abstract class?

Amdocs, Atos Origin, Invictus,

3 6640


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Un-Answered Questions { Core Java }

What is thread synchronization in java?

591


Is string is a class in java?

619


How big is a 32 bit integer?

660


How will you load a specific locale?

627


What is the base class of all classes?

664






How can you set an applet’s height and width as a percentage?

614


Can we call the constructor of a class more than once for an object?

727


What is boolean keyword in java?

745


What is an array in java?

756


Do you know why doesn't the java library use a randomized version of quicksort?

635


23. Storage space in java is of the form Stack Queue Heap List 24. What is java code embedded in a web page known as Applets Servlets scriptlets snippets 25. Which of the following attributes are compulsory with an tag?. code,height & width. 26. What does 'CODEBASE' in an applet tag specify?. Files absolute path.

2171


Why does java not allow multiple public classes in a java file ?

3679


Is cout buffered?

772


why not override thread to make a runnable? : Java thread

660


How to access arraylist elements in java?

594