java 冒泡排序

 1 public static void main(String[] args){
 2         int a[] = {34, 8, 64, 51, 32, 21};
 3         bubbleSort(a);
 4         for (int i = 0; i < a.length; i++) {
 5             System.out.print(a[i] + " ");
 6         }
 7     }
 8     
 9     public static void  bubbleSort(int[] a) {
10         for (int i = 0; i < a.length; i++) {
11             for (int j = i; j < a.length-i-1; j++) {
12                 if (a[j] > a[j+1]) {
13                     a[j] = a[j] ^ a[j+1];
14                     a[j+1] = a[j] ^ a[j+1];
15                     a[j] = a[j] ^ a[j+1];
16                 }
17             }
18         }
19     }