作业4.5-2用for循环打印菱形

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package lx;   public class lx {     public static void main(String[] args)     {         for(int i = 1;i <= 10 ;i++)         {             for(int h = 9; h >= i; h--)             {                 System.out.print(" ");//打印空格，从9个到1个             }             for(int x = 1; x <= i; x++)             {                 System.out.print("*");//打印星号，从1个到9个             }             for(int x = 1; x < i; x++)//为了顶部有尖端，右半边第一行不输出，所以用"<"而不是“<=”             {                 System.out.print("*");//右边部分只输出星号即可             }                       System.out.println();//换行         }         //以上菱形上半部分，下半部分同理         for(int i = 1;i <= 10 ;i++)         {             for(int x = 1; x <= i; x++)             {                 System.out.print(" ");             }             for(int h = 9; h >= i; h--)             {                 System.out.print("*");             }             for(int h = 9; h > i; h--)             {                 System.out.print("*");             }             System.out.println();         }     }   }