控制台输出三角形

输出如下图型：
*  
*  *  
*  *  *  
*  *  *  *  
*  *  *  *  *  
*  *  *  *  
*  *  *  
*  *  
*  

package com;


public class Triangle {
    public static void main(String[] args){
            for (int i = 1; i < 6; i++) {
                    for (int j = 0; j < i; j++) {
                        System.out.print("*"+"  ");
                    }
            System.out.println();
        }
        for (int k = 5; k > 0; k--) {
            for (int l = k; l > 1; l--) {
                System.out.print("*"+"  ");
            }
            System.out.println();
        }
    }
}