hashTable(哈希表)的基本用法

2023-11-02 09:26:40
using 
System;

using 
System.Collections.Generic;

using 
System.Linq;

using 
System.Text;

using 
System.Collections;
 
namespace 
hashTableTest
{

    class 
Program

    {

        static 
void 
Main(string[] args)

        {

            Hashtable ht = new 
Hashtable();
 
            //哈希表元素的添加

            ht.Add(1, "星期一");

            ht.Add(2, "星期二");

            ht.Add(3, "星期三");

            ht.Add(4, "星期四");

            ht.Add(5, "星期五");

            ht.Add(6, "星期六");

            ht.Add(7, "星期日");

            //哈希表元素的获取

            Console.WriteLine(ht[1]);
 
            //哈希表元素的删除

            ht.Clear();
 
            //哈希表元素的修改

            ht[1] = "礼拜1";
 
            //判断是否存在哈希元素返回值为True/false

            ht.Contains(1);

            ht.ContainsKey(1);//根据KEY值判断 结果为True

            ht.ContainsValue("星期一");//根据Value值判读 结果为True
 
            //哈希表元素的遍历

            foreach 
(DictionaryEntry my in 
ht)

            {

                Console.WriteLine(my.Key);

                Console.WriteLine(my.Value);

            }

            Console.ReadLine();

        }

    }
}
hashTable(哈希表)的基本用法
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