On Dec 14, 4:53 am, nn roh <[email protected]> wrote:
> Hi all,
>
> I am trying to do the homework , i didnt get this line :
>
> AddressInterface getAddress(); how can a method return an interface ?
> can any one elaborate ..
An object can assume the type of its parent. One way is to implement
an interface:
interface AddressInterface {}
class Address implements AddressInterface{}
Given above hierarchy, this method returns an interface:
AdressInterface getAddress(){
return new Address();
}
>
> Thanks,
> Nada
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