Java基础-多重循环

package com.cwl.base.day02;

/**
 * @program: java_base
 * @description: 测试嵌套循环
 * @author: ChenWenLong
 * @create: 2019-11-06 14:15
 **/
public class TestWhileQiantao {

    public static void main(String[] args) {

        for(int i=1;i<=5;i++){
            for(int  j=1;j<=5;j++){
                System.out.print(i+"\t");
            }
            System.out.println();
        }

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

        //打印99乘法表：1*+=2  2*2=4
        for(int n=1;n<=9;n++){
            for(int m=1;m<=n;m++){
                System.out.print(m+"*"+n+"="+(m*n)+"\t");
            }
            System.out.println();
        }

        System.out.println("#################################");
        //用while循环分别计算100以内的奇数及偶数的和，并输出
        int  sum01 = 0;
        int  sum02 = 0;
        for(int  i=1;i<=100;i++){
            if(i%2==0){	//偶数
                sum01 += i;		//sum01 = sum01 +i;
            }else{  //奇数
                sum02  += i;
            }
        }
        System.out.println("奇数和："+sum01);
        System.out.println("偶数和："+sum02);


        //用while循环或其他循环输出1-1000之间能被5整除的数，且每行输出5个
        int  h =0;
        for(int i=1;i<=1000;i++){
            if(i%5==0){
                System.out.print(i+"\t");
                h++;
            }
            if(h==5){
                System.out.println();
                h=0;
            }
			/*
			if(i%25==0){
				System.out.println();
			}*/
        }

    }
}