package com.yuanyu.study; public class Demo05 { public static void main(String[] args) { for (int i = 1; i <= 1000; i++) { if (i%5==0){ System.out.print(i+"\t"); } if (i%15==0){ //System.out.print("\n"); System.out.println(); //换行 } } } }
一开始还没反应过来为什么println()可以实现换行,直到我点进去看到println函数才恍然大悟
打印9*9乘法表
package com.yuanyu.study; public class Demo05 { public static void main(String[] args) { for (int i = 1; i <=9; i++) { for (int j=1;j<=i;j++){ System.out.print(i+"*"+j+"="+(i*j)+"\t"); } System.out.println(); } } }