java中关于冒泡排序

package com.yun.java.six;import java.util.Scanner;public class P5 {    public static void main(String[] args) {        // TODO Auto-generated method stub        /*         * created by sun 17/6/2         * 冒泡排序输出成绩         */        System.out.println("请输入十个数字：");        Scanner input=new Scanner(System.in);        int[] scores=new int[10];//定义数组接收输入的成绩        for (int i = 0; i <scores.length; i++) {            System.out.println("请输入第"+(i+1)+"个人的成绩");            scores[i]=input.nextInt();        }        //冒泡排序重新排列成绩        System.out.println("排序后的成绩为：");        for (int i = 0; i < scores.length-1; i++) {            for (int j = 0; j < scores.length-1-i; j++) {                if (scores[j]>scores[j+1]) {                    int num=scores[j];                    scores[j]=scores[j+1];                    scores[j+1]=num;                }            }        }        for (int i = 0; i < scores.length; i++) {            System.out.print(scores[i]+" ");        }    }}