打印图形是浮云

package small;

//source:http://www.cnblogs.com/eshizhan/archive/2010/06/01/1749388.html
public class PrintGraphics2 {

	public static void main(String[] args) {
		printGraphics(10);
	}

	private static void printGraphics(int size) {
		int y, x;
		char ch = 'A';
		for (y = size; y >= -size; y--) {//在y轴上从size到-size从上到下进行扫描
			for (x = -size; x <= size; x++)//在x轴上从-size到size从左到右进行扫描
				if (Math.abs(x) + Math.abs(y) == size)
					System.out.print("*");
				else if (Math.abs(x) + Math.abs(y) == size / 2)
					System.out.print(ch++);
				else
					System.out.print(" ");
			System.out.println();
		}
	}
}


输出结果：

          *          
         * *         
        *   *        
       *     *       
      *       *      
     *    A    *     
    *    B C    *    
   *    D   E    *   
  *    F     G    *  
 *    H       I    * 
*    J         K    *
 *    L       M    * 
  *    N     O    *  
   *    P   Q    *   
    *    R S    *    
     *    T    *     
      *       *      
       *     *       
        *   *        
         * *         
          *          



.