冒泡排序--对数组中的元素进行降序排列

来源：互联网发布：js typeof5类型编辑：程序博客网时间：2024/05/17 22:06

核心代码：

for (int i = 0；i < array.length;i++){    for(int j = i;j < array.length;j++){        if (array[i] < array[j]){            int temp = array[i];            array[i] = array[j];            array[i] = temp;        }    }}

text

import java.util.Random;class lijia{     int x [] = new int[100];     Random r = new Random();     public  void getGrade()     {        for(int i = 0;i< x.length;i++)        {            x [i] = r.nextInt(100);            System.out.print(x[i]+"  ") ;        }     }     public double ave()     {           double sum = 0 ;        for(int i =0;i<x.length;i++)        {          sum = sum + x[i];        }         return sum/100;     }     public int max()     {        int max = x[0];        for(int i = 0;i<x.length;i++)        {            if(x[i]>max)              max = x[i];        }        return max;    }    public void order()    {        int index;        for(int i = 0;i<x.length;i++)         for(int j = i+1;j<x.length;j++)         {            if(x[j]>x[i])             {                index = x[i] ;                 x[i] = x[j] ;                 x[j] = index;             }         }         for(int i = 0;i<x.length;i++)         {            System.out.print(x[i]+" ");         }    }   }class sy{    public static void main(String []args)    {     lijia g = new lijia();     System.out.println("获取的一百个成绩：");     g.getGrade();     System.out.println();     System.out.println("平均分为 ：");     System.out.println(g.ave());     System.out.println("最高分为：");     System.out.println(g.max());     System.out.println("排序后的结果：");     g.order();     System.out.println( );    }}

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