星期一到星期日练习

import java.util.Scanner; public class IfDemo11{ public static void main(String[] args){ System.out.println("开始"); Scanner aj=new Scanner(System.in); System.out.println("请输入一个星期数(1-7):"); int week = aj.nextInt(); if(week ==1){ System.out.println("星期一"); }else if(week ==2){ System.out.println("星期二 "); }else if(week ==3){ System.out.println("星期三"); }else if(week ==4){ System.out.println("星期四"); }else if(week ==5){ System.out.println("星期五"); }else if(week ==6){ System.out.println("星期六"); }else if(week ==7){ System.out.println("星期日"); }else{ System.out.println("输入有误"); } } }