switch 多重选择

import java.io.File;
import java.util.Scanner;
import java.io.PrintWriter;
class Demo
{

    public static void main(String[] args)
    throws Exception
    {
        Scanner scn=new Scanner(System.in);
        System.out.println("输入选择：1，2，3");
        int swi=scn.nextInt();        
        switch (swi){
            case 1:
                System.out.println("Selected 1");
                break;
            case 2:
                System.out.println("Selected 2");
                break;
            case 3:
                System.out.println("Selected 3");
                break;    
            default:
            System.out.println("Not selected");    
        }

    }

}