class TestSwitch {



    public static void main(String[] args) {

    

        int month = 11;

        int days;

        

        switch( month ) {

            case 2:

                days = 28;    

                break;

            case 4:     // FALLTHROUGH

            case 6:     // FALLTHROUGH

            case 11:    // FALLTHROUGH

            case 9:

                days = 30;

                break;

            default:

                days = 31;                                

        }

        

        System.out.println("Days in month " + month + " = " + days);

    }



}