package wac.wev.LianXi; //需求:键盘录入一个值(1<=n<=9)之间,输出nn乘法表 import java.util.Scanner;
public class FunctionDemo3 { public static void main(String[] args){ //先键盘录入和导包 Scanner sc = new Scanner(System.in); //接收数据 System.out.println("请输入一个数据(1~9):"); int n =sc.nextInt(); chengFaBiao(n); } //1:先明确返回值:void //2:明确参数类型和参数个数:int public static void chengFaBiao(int n){ for(int x=1;x<=n;x++){//限定行 for(int y=1;y<=x;y++){//限定列 System.out.print(x+""+y+"="+(xy)+"\t");//拼接输出格式 } System.out.println();//换行 } } }
