0-7对应星期一到星期日

import java.util.Scanner;

public class Test {

public static void main(String args[]){

Scanner s=new Scanner(System.in);

String str[]={"星期一","星期二","星期三","星期四","星期五","星期六","星期日"};

while(true){

System.out.println("请输入数字 0退出");

int c=s.nextInt();

if(c==0){

break;

}

else if(c<7){

System.out.println(str[c-1]);

}

else{

System.out.println("请重新输入");

}

}

}

}