public class Array
{
    public static void main(String[]args)
    {
        int[] ns = {1, 4, 9, 16, 25};
        //倒序打印数组元素
        for(int i = ns.length-1 ;i >= 0; i--)
        {
            System.out.print(ns[i]);
            if(i!=0)
            {
                System.out.print(",");
            }
        }
        System.out.print("\n");
    }
}