Yurttas/PL/OOL/CS/F/05/02/00/Indexers00.cs

 1/**
 2 *  Copyright(C) 2003
 3 *  All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
 4 *
 5 *  Permission to use, copy, modify, and distribute this
 6 *  software and its documentation for EDUCATIONAL purposes
 7 *  and without fee is hereby granted provided that this
 8 *  copyright notice appears in all copies.
 9 *
10 *  @date   : September 1, 2003
11 *  @author : Salih Yurttas
12 *
13 *  Indexers00.cs
14 */
15
16
17using System;
18
19namespace ABC
20{
21  public class Indexers00
22  {
23    private string[] Data;
24    private int K = 0;
25
26    public Indexers00(params string[] s)
27    {
28      Data = new string[4];
29      foreach(string t in s)
30        Data[K++] = t;
31    }
32
33    public void Add(string a)
34    {
35      if(K>=0 && K<Data.Length)
36        Data[K++] = a;
37    }
38
39    public string this[int i]
40    {
41      get {
42        if(i<0 || i>Data.Length)
43        {// unacceptable index
44        }
45        return Data[i];
46      }
47
48      set {
49        if(i>=0 && i<K)
50          Data[i] = value;
51      }
52    }
53
54    public int GetK()
55    {
56      return k;
57    }
58
59    public static void Main(string[] args)
60    {
61      Indexers00 ListA = new Indexers00("cat",
62                                        "lion");
63
64      ListA.Add("dog");
65      ListA.Add("tiger");
66
67      string t = "monkey";
68      ListA[1] = t;
69
70      int N = ListA.GetK();
71      for(int i=0; i<N; ++i)
72        Console.WriteLine("{0}", ListA[i]);
73    }
74  }
75}