数组小练习3：降序排列

`// 降序排序
import java.util.Arrays;

public class Demo12{
public static void main(String[] args) {

int[] ns = { 28, 12, 89, 73, 65, 18, 96, 50, 8, 36 };

// 排序前:
System.out.println(Arrays.toString(ns));
for(int i=0;i<ns.length;i++){
for(int j=0;j<ns.length-i-1;j++){

if(ns[j] < ns[j+1]){
int tmp = ns[j];
ns[j] = ns[j+1];
ns[j+1] = tmp;
}
}
}

// 排序后:
System.out.println(Arrays.toString(ns));

//与预期结果对比，做测试
if(Arrays.toString(ns).equals("[96, 89, 73, 65, 50, 36, 28, 18, 12, 8]")){
System.out.println("测试成功");
}else{
System.out.println("测试失败");
}
}
}

`