随笔——杨辉三角

package com.homework0119;
/*
@Author:Chris
@Date:20210119
*/
//输出图形
public class Demo05 {
    
    
    public static void main(String[] args) {
    
    
        //正杨辉三角
        System.out.println("正杨辉三角");
        int rows=5;
        for (int i=1;i<=rows;i++){
    
    //五行
            for (int j=1;j<=rows-i;j++){
    
    
                System.out.print(" ");
            }
            for (int j=1;j<=2*i-1;j++){
    
    
                System.out.print("*");
            }
            System.out.println();
        }
    }
}