Inheritence problem

Can anyone tell me the answer for the problem given below?

class A

{

}

class Bextends A

{

publicstaticvoid main(string arg[])

{

A a =new B();

}

Wat is this A a = new B(); means?

[609 byte] By [ttrra] at [2007-10-3 10:30:57]

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# 1

It creates an instance of B and the variable a references that instance.Kaj

kajbja at 2007-7-15 5:53:41 >

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# 2

Can i access the things present in B?

ttrra at 2007-7-15 5:53:41 >

# 3

yes!

angeles1016a at 2007-7-15 5:53:41 >

# 4

> Can i access the things present in B?only if a) those things are also present in 'A'orb) you cast the instance to 'B'treating the 'B' instance as an 'A' is polymorphism in action

georgemca at 2007-7-15 5:53:41 >

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Inheritence problem

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