打印九九乘法表

打印九九乘法表

package com.chen.cm.struct;

public class ForDemo04 {
    public static void main(String[] args) {

        //打印第一列
        for (int i = 1; i <= 9; i++) {
            System.out.println(1+"*"+i+"="+(1*i));
        }

        System.out.println("=====================================");


        //1.我们先打印第一列,这个大家应该都会
        //2.我们把固定的1再用一个循环包起来
        //3.去掉重复项,m <= n
        //4.调整样式

        for (int n = 1; n <= 9; n++) {
            for (int m = 1; m <= n; m++) {
                System.out.print(n+"*"+m+"="+(n*m)+"\t");
            }
            System.out.println();
        }

    }
}