java数组实现红包的方法

package Hongbao;

import java.text.DecimalFormat;
import java.util.Scanner;

public class Hongbao {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        
        System.out.println("请输入红包金额：");
        double money=sc.nextDouble();
        
        System.out.println("请输入红包个数：");
        int count=sc.nextInt();
        
        //有序数组1到99
        int[] num=new int[100];
        for (int i = 1; i < 100; i++) {
            num[i-1]=i;
        }
        
        //有序数组打乱
        for (int i = 0; i < num.length; i++) {
            int ran=(int)(Math.random()*100);
            int temp=num[i];
            num[i]=num[ran];
            num[ran]=temp;
        }
        
        //将分配的红包个数赋给新数组
        int[] acount=new int[count];
        for (int i = 0; i < count; i++) {
            acount[i]=num[i]; 
        }
        //冒泡排序
        for (int i = 0; i < acount.length; i++) {
            for (int j = 0; j < acount.length-1-i; j++) {
                if(acount[j]>acount[j+1]){
                  int temp=acount[j];
                  acount[j]=acount[j+1];
                  acount[j+1]=temp;
                }
            } 
        }
            
        //红包分钱算法
        int[] mon=new int[count];
        for (int i = 0; i < count; i++) {
            if(i==0){
                mon[0]=acount[0];
            }else if(i>0&&i<count-1){
                mon[i]=acount[i]-acount[i-1];
            }else{
                mon[i]=100-acount[i-1];
            }
        }

        //带钱
        DecimalFormat df=new DecimalFormat("####0.00");//保留两位小数
        for (int i = 0; i < mon.length; i++) {
            System.out.println("第"+(i+1)+"名，领取"+df.format(mon[i]*0.01*money)+"元红包");
        }
        
    }
}