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");
	}
}

}

`