Extension vs defender methods

["Zdeněk Troníček"]

In addition, they are different on purpose. Interfaces define contracts
and abstract classes are classes that are intended to be subclassed.

Z.T.
-- 
Zdenek Tronicek
FIT CTU in Prague


Neal Gafter napsal(a):
> On Sun, Nov 13, 2011 at 1:08 AM, Llewellyn Falco
> <isidore at setgame.com>wrote:
>
>> the "standard" naming for interfaces w/non-abstract methods is: "an
>> abstract class"
>>
>
> Abstract classes (but not interfaces) may have state, and interfaces (but
> not abstract classes) may be multiply inherited.  So they are not the same
> thing.
>
>