public class XuanZeSort { public static void main(String[] args) { int [] a={2,5,5,4,7}; for (int i=0;i<a.length-1;i++){ for (int j=i+1;j<a.length;j++){ if(a[i]<a[j]){ int temp=a[i]; a[i]=a[j]; a[j]=temp; } } } for (int a1:a){ System.out.println(a1); } } }