java 冒泡排序

        int [] ary={9,5,7,-4,3,-2,10};
        for (int i=0;i<ary.length;i++)
        {
            for (int j=i+1;j<ary.length;j++)
            {
                if(ary[i]<ary[j])
                {
                    int temp=ary[i];
                    ary[i]=ary[j];
                    ary[j]=temp;
                }
            }
        }
        for (int i=0;i<ary.length;i++)
        {
            System.out.print(ary[i]+"  ");
        }