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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace HashTableTest
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{
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class Program
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{
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static void Main(string[] args)
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{
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Hashtable ht = new Hashtable();
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//添加元素
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ht.Add(1,"jack");
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ht.Add(2,"tom");
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ht[3] = "join";
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//用此种方式添加元素应该注意：
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//如果对应的键key存在，重新赋值
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//如果不存在，则增加对应的键值对
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ht[1] = "mach";
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ht[4]="marry";
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//数组长度：length
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//集合个数：count
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Console.WriteLine(ht.Count);
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//遍历集合的两种方式：
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foreach (DictionaryEntry obj in ht)
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{
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Console.WriteLine("{0} - {1}",obj.Key,obj.Value);
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}
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Console.WriteLine("======================");
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foreach (object obj in ht.Keys)
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{
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Console.WriteLine("{0} - {1}",obj,ht[obj]);
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}
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Console.ReadKey();
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}
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}
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}
\
\
