For循环实现99乘法表

For循环实现99乘法表详解

11=1
21=2 22=4
31=3 32=6 33=9
41=4 42=8 43=12 44=16
51=5 52=10 53=15 54=20 55=25
61=6 62=12 63=18 64=24 65=30 66=36
71=7 72=14 73=21 74=28 75=35 76=42 77=49
81=8 82=16 83=24 84=32 85=40 86=48 87=56 88=64

public static void main(String[] args) {

package com.caster.struct;

public class forDeemo01 {
    public static void main(String[] args) {
        //1.先打印第一列
        /**
         * for (int i = 1;i <=9;i++){
         *                 System.out.print(1+"*"+i+"="+(1*i));
         *             }
         */
        //2.把固定的1再用一个循环包起来
        /**
         *  for (int j = 1; j < 9; j++) {
         *             for (int i = 1;i <=9;i++){
         *                 System.out.print(j+"*"+i+"="+(1*i));
         *             }
         *         }
         */
        //3.去掉重复项，i<=j
        /**
         * for (int j = 1; j < 9; j++) {
         *             for (int i = 1;i <=j;i++){
         *                 System.out.print(j+"*"+i+"="+(j*i));
         *             }
         *         }
         */
        //4.调整样式
        for (int j = 1; j < 9; j++) {
            for (int i = 1;i <=j;i++){
                System.out.print(j+"*"+i+"="+(j*i)+"\t");
            }
            System.out.println();
        }

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

}