冒泡排序

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading;
 6 using System.Threading.Tasks;
 7 
 8 namespace 冒泡排序Demo
 9 {
10     class Program
11     {
12         public static Thread thread = null;//用于调用排序函数的进程
13         public static  int[] array = new int[10] { 9, 3, 6, 7, 12, 23, 54, 78, 1, 34 };//共10个值
14         public static Thread th = null;//显示结果的进程
15 
16 
17             public static void Bubble_Sort(int[] arr)//关键是不是未引用对象static的，用线程调用时会报错“未引用对象”
18             {
19                 for (int i = 0; i < arr.Length - 1; i++)//arr.Length-1表明一共有10个值，但只需比较9次
20                 {
21                     for (int j = 0; j < arr.Length - 1 - i; j++)//arr.Length-1-i表明，最后的i个值可以不用比较
22                     {
23                         if (arr[j] > arr[j + 1])//不用第三方变量交换
24                         {
25                             arr[j] = arr[j + 1] + arr[j];
26                             arr[j + 1] = arr[j] - arr[j + 1];
27                             arr[j] = arr[j] - arr[j + 1];
28                         }
29                     }
30                 }
31             }
32             public static void show()
33             {
34                 foreach (int demo in array)
35                 {
36                     Console.Write(demo);
37                     Console.Write(" ");
38                 }
39             }
40         /// <summary>
41         /// 冒泡排序
42         /// </summary>
43         /// <param name="args"></param>
44         static void Main(string[] args)
45         {
46 
47             //for(i = 0;i<array.Length ;i++)
48             //{
49             //    array[i] = Console.Read();
50             //}
51             thread = new Thread(delegate() { Bubble_Sort(array); });//因为Bubble_Sort()方法有参数，所以写成，delegate(){Bubble_Sort(array);}
52             thread.IsBackground = true;
53             thread.Start();
54             //thread.Abort();
55             Thread.Sleep(10);//先让主线程休眠 
56 
57             th = new Thread(show);
58             th.IsBackground = true;
59             th.Start();
60             Thread.Sleep(1000);
61             //thread.Abort();
62         }
63     }
64 }