19 打印菱形图案

题目: 打印出如下图案(菱形)

     *
   ***
 *****
*******
 *****
   ***
    *

    public class _019PrintDiamond {

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

    private static void printDiamond() {
        int hight = 7, width = 7;
        
        //打印上三角
        for(int i =0;i<(hight+1)/2;i++){
            //行循环
            for(int j =0;j<width/2-i;j++){
                //循环图形中的空格数量
                System.out.print(" ");
            }
            
            //列循环
            for (int s=1;s<(i+1)*2;s++) {
                System.out.print('*');
            }
            System.out.println();
        }
        
        //打印下三角
        for(int i =1;i<=hight/2;i++){
            for(int j =1;j<=i;j++){
                System.out.print(" ");
            }
            
            for (int s=1;s<=width-2*i;s++) {
                System.out.print('*');
            }
            System.out.println();
        }
    }
}