java冒泡排序

package com.hanqi;

import java.util.Scanner;

public class zuoyemaopaopaixv {
    public static void main(String[] args)
    
    {
        
        Scanner sc=new Scanner(System.in);
        
        System.out.println("请输入要排序的个数：");
                     
        Scanner v = new Scanner(System.in);
         int geshu = v.nextInt();
         int arr[]=new int[geshu];  
                      
        for(int a = 0 ; a < geshu ; a++) 
         {
           System.out.println("请输入第" + (a+1) + "个数：");
           arr[a]=v.nextInt();
                         
          }
        for(int d=1 ; d<=arr.length-1 ; d++)
        {
        for(int b = 1 ; b<=arr.length-d ; b++)
        {
        if(arr[b-1]<arr[b])
        {
        int c=arr[b];
        arr[b]=arr[b-1];
        arr[b-1]=c;
                                 
        }                                
        }                        
        }
                     
        for(int i=0;i<arr.length;i++)
          {
         System.out.println(arr[i]);
          }

}
}