AW: [lazarus] A hope.

[Michael Van Canneyt]

On Thu, 16 Dec 1999, Marc Weustink wrote:

> + From: Thomas Singer [mailto:singer at dcs-systeme.de]
> + >> ...
> + >> what do you mean with interfaces? Interface and implementation in
> + >> pascal/delphi manner or interfaces in java-manner?
> + >
> + >Is there a difference? I think pascal/delphi interface are the same
> + >in Java, but Borland abuses them to support COM.
> + With Delphi interface I mean the following:
> + 
> + unit test;
> + 
> + interface { stuff that could be seen from out of unit test. }
> + 
> +   function test01( a: integer ): integer;
> + 
> + implementation { this stuff is only visible within the unit test. }
> + 
> +   function test01( a: integer ): integer;
> +   begin
> +     result := a + 1;
> +   end;
> + 
> + end.
> + 
> + With Java interfaces I mean the possibility to define totally abstract
> + classes (only method headers, no implementation), that could 
> + be used for
> + multiple inheritence. A (real) Java-class could have only one 
> + superclass,
> + but none or more interfaces. Clear?
> 
> Like Delphi ??
> 
> type
>   IMyInterface = interface
>     procedure P1;
>     procedure P2;
>   end;

Yes, this is what will be implemented.

Michael.