选择排序

 1 package com.paixu;
 2 
 3 public class xuanzepaixu {
 4     public static void main(String[] args) {
 5         int [] arr = {25,24,99,101,100,552,32,333,5555,99999,686,4598,32,3657,12,11,22,88};
 6         System.out.println("排序前:");
 7         iterator(arr);
 8         System.out.println("-----------------------");
 9         //第一次排序
10         int x = 0;
11         for(int y = x+1;y<arr.length;y++){
12             if(arr[x]>arr[y]){
13                 int temp = arr[x];
14                 arr[x] = arr[y];
15                 arr[y] = temp;
16             }
17         }
18         System.out.println("第一次排序后：");
19         iterator(arr);
20         System.out.println("-----------------------");
21         //....
22         xuanzepaixu(arr);
23     }
24     
25     //选择排序
26     public static void xuanzepaixu(int []arr){
27         for(int i = 0;i<arr.length-1;i++){
28             for(int j = i+1;j<arr.length;j++){
29                 if(arr[i]>arr[j]){
30                     int temp = arr[i];
31                     arr[i] = arr[j];
32                     arr[j] = temp;
33                 }
34             }
35             
36         }
37         System.out.println("排序后：");
38         iterator(arr);
39     }
40     
41     
42     //遍历数组
43     public static void iterator(int[] arr){
44         System.out.print("[");
45         for(int x = 0;x<arr.length;x++){
46             if(x == arr.length-1){
47                 System.out.println(arr[x]+"]");
48             }else{
49                 System.out.print(arr[x]+"，");
50             }
51         }
52     }
53 }