3.Java基础练习--输入数字1-7，输出相应的星期数

import java.util.Scanner;
public class play
{
	public static void main(String[] args) 
	{
		Scanner s = new Scanner(System.in);
		System.out.println("please input:");
		switch (s.nextInt()) 
		{
			case 1:
				System.out.println("Monday");
				break;
			case 2:
				System.out.println("Tuesday");
				break;
			case 3:
				System.out.println("Wednesday");
				break;
			case 4:
				System.out.println("Thursday");
				break;
			case 5:
				System.out.println("Friday");
				break;
			case 6:
				System.out.println("Saturday");
				break;
			case 7:
				System.out.println("Sunday");
				break;
			
			default:
				break;
		}
	}
}