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C# 5.0 kurz & gut
book

C# 5.0 kurz & gut

by Joseph Albahari, Ben Albahari, Lars Schulten
March 2013
Intermediate to advanced
224 pages
5h 17m
German
O'Reilly Verlag
Content preview from C# 5.0 kurz & gut

Der Typ object

object (System.Object) ist die Ausgangsbasisklasse für alle Typen. Jeder Typ kann per Upcast in ein object umgewandelt werden.

Um zu zeigen, wie das nützlich sein kann, stellen Sie sich einen allgemeinen Stack vor. Ein Stack ist eine Datenstruktur, die auf dem Prinzip »Last in, first out« (kurz LIFO) basiert. Ein Stack hat zwei Operationen: per Push ein Objekt auf den Stack schieben und per Pop eines wieder herunterholen. So sieht eine einfache Implementierung aus, die bis zu zehn Objekte verwalten kann:

public class Stack
{
  int position;
  object[] data = new object[10];
  public void Push (object o) { data[position++] = o; }
  public object Pop() { return data[--position]; }
}

Da Stack mit dem Typ object arbeitet, können wir Instanzen ...

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Publisher Resources

ISBN: 9783955611002Purchase book