Premm, see replies #20 and #21, and the JLS.If Java doesn't have pointers why are they mentioned in the JLS? and why does it have a NullPointerException?It doesn't have pointers with the semantics you describe: that's a different issue.IMHO what it doesn't have is *references* actually.

Hi anupamaActually, java does not use pointers.s1 is an object.Let us consider the following situation.If you write username and password in your login page using pointer. go and see the view source o...

First of all abstract is a key word. Abstract classes are having both defined methods and undefined methods. Concrete classes having only defined methods in the case of concrete classes the execution ...

Can any one give a real time example program for abstract class and virtual functions plzzzzzzzz