java冒泡排序

package com.baidu.www

public class Bubble {

    public static void main(String[] args) {
        int[] num = { 12, 3, 15, 64, 63, 6, 87, 34 };

        int temp = 0;
        for (int i = 0; i < num.length - 1; i++) {
            for (int j = i; j < num.length - 1; j++) {
                if (num[i] < num[j + 1]) {　　//此if语句作用纯是为了交换位置
                    temp = num[j + 1];
                    num[j + 1] = num[i];
                    num[i] = temp;
                }
            }
        }
        System.out.print("共发生 " + count + " 次交换！排序后：");
        for (int x : num) {
            System.out.print(x + "、");
        }
    }
}