高手勿喷：菱形打印就改进

/*
    作者：Heart
    时间：2011年9月23日13:15:00
    功能：①    *
               * *
              *   *
             *     *
            *       *
             *     *
              *   *
               * *
                *

*/



public class PyramidText
{
    public static void main(String []args)
    {   
        for (int i=1; i<=5; i++)
        {
            for (int j=1; j<=5-i; j++)
            {
                System.out.print(" ");
            }
            for (int k=1; k<=2*i-1; k++)
            {
                if (i==1 && i==5)
                {
                    System.out.print("*");
                }
                else
                {
                    if (k==1 || k==2*i-1)
                    {
                        System.out.print("*");
                    }
                    else
                    {
                        System.out.print(" ");
                    }
                }
            }
            System.out.println();
        }
        for (int i=1; i<=5; i++)
        {
            for (int j=1; j<=i; j++)
            {
                System.out.print(" ");
            }
            for (int k=1; k<=2*(5-i)-1; k++)
            {
                if (i==1 && i==5)
                {
                    System.out.print("*");
                }
                else
                {
                    if (k==1 || k==2*(5-i)-1)
                    {
                        System.out.print("*");
                    }
                    else
                    {
                        System.out.print(" ");
                    }
                }
            }
            System.out.println();
      
        }

    }
}

public class PyramidText
{
     public static void main(String []args)
     {
         for(int y = -5; y <= 5; ++y)
         {
             for(int x = -5; x <= 5; ++x)
             {
                 if(Math.abs(x+y) == 5||Math.abs(x-y) == 5) //也可以Math.abs(x)+Math.abs(y) == 5
                     System.out.print('*');
                 else
                     System.out.print(' ');            
             }
             System.out.println();
         }
    }
}


//从美琴姐那里借荐而来的。