输出菱形

 package lingxing;
 
 public class mav {

    public static void main(String[] args) 
 {
                    for (int a=0; a<10; a++)
         {
            for (int b=8;b>=h;b--)
             {
                System.out.print(" ");
            }
             for (int c=0; c<=h; c++)
             {
                 System.out.print("*");
            }
            for (intd=1; d<=h;d++)
             {
                System.out.print("*");
             }
            System.out.println();
         }
         for (int q=0; q<10; q++)
         {
             for (int w=0; w<=o; w++)
            {
                 System.out.print(" ");
            }
            for (int e=8; e>=o; e--)
            {
                System.out.print("*");
            }
             for (int r=7; r>=o; r--)
             {
                System.out.print("*");
            }
             System.out.println();
        }
     }
 
 }