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From: Jan Burse <janburse@fastmail.fm>
Newsgroups: comp.lang.java.programmer
Subject: Re: Immutable Datastructures with good Sharing
Date: Sat, 05 Nov 2011 21:38:09 +0100
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Jan Burse schrieb:
> Eric Sosman schrieb:
>> Stack is like, so the meaning of your example remains private to you.
>
> Fast forward in this thread, and you find the source of
> the class Stack. Or you might lookup up a more extended
> version here:
>
> http://blogs.msdn.com/b/ericlippert/archive/2007/12/04/immutability-in-c-part-two-a-simple-immutable-stack.aspx
>
>

Ok, I make it easy for you:

Jan Burse was writing (19:30):
>      public class Stack {
>           final Object element;
>           final Stack next;
>
>           Stack(e, n) {
>              element = e;
>              next = n;
>           }
>
>           public Stack push(Object e) {
>              return new Stack(e,this);
>           }
>
>           public Object top() {
>              return element;
>           }
>
>           public Stack pop() {
>              return next;
>           }
>       }