Display the number of days of month

/*Program to accept a month using scanner class
 * and display the number of days
 */
import java.util.*;
public class month
{
    public static void test()
    {
        Scanner in=new Scanner(System.in);
        System.out.println("Enter the number of month");
        int choice=in.nextInt();
        switch(choice)
        {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
            System.out.println("Number of days are 31 days");
            break;
            case 4:
            case 6:
            case 9:
            case 11:
            System.out.println("Number of days are 30 days");
            break;
            case 2:
            System.out.println("Number of days are 28 or 29 days");
            break;
            default:
            System.out.println("Wrong Choice");
            break;
        }
    }
}