...10,50,40,30,70,60,80,90,100}进行从大到小的排序。答:public class Sort { public static void main(String[] args){ int arr[]={20,10,50,40,30,70,60,80,90,100};int i=0,j=0;int temp=0;for(i=0;i<9;i++){ for(j=0;j<9-i;j++){ if(arr[j]<arr[j+1]){ temp=arr[j];arr[j]=arr[j+1];arr[j+1]=temp;} } ...