TwelveDaysOfXmas.java

public class TwelveDaysOfXmas {

    /**
    *   Program:    TwelveDaysOfXmas.java
    *   Creator:    Chris Clarke
    *   Created:    06.10.2012
    *   Purpose:    Display the lyrics of the song "The 12 Days of Christmas".
    *           Do so using only one loop.  In the code below, notice
    *           the absence of "break"s in the second "switch" statement.
    *           This causes - intentional - fall-through to the next line.
    */

    public static void main(String[] args) {

        System.out.println("\n\t=== The Twelve Days of Christmas ===\n");

        for (int day=1; day<=12; day++) {

            System.out.print("On the ");

            switch (day) {
                case 1:     System.out.print("First" ); break;
                case 2:     System.out.print("Second" ); break;
                case 3:     System.out.print("Third" ); break;
                case 4:     System.out.print("Fourth" ); break;
                case 5:     System.out.print("Fifth" ); break;
                case 6:     System.out.print("Sixth" ); break;
                case 7:     System.out.print("Seventh" ); break;
                case 8:     System.out.print("Eighth" ); break;
                case 9:     System.out.print("Ninth" ); break;
                case 10:    System.out.print("Tenth" ); break;
                case 11:    System.out.print("Eleventh" ); break;
                case 12:    System.out.print("Twelfth" ); break;
                default:    System.out.print("Error" );
            } // end switch

            System.out.println(" Day of Christmas, my True Love sent to Me:");

            switch (day) {
                case 12:    System.out.println("12 Drummers Drumming," );
                case 11:    System.out.println("11 Pipers Piping," );
                case 10:    System.out.println("10 Lords a-Leaping," );
                case 9:     System.out.println("9 Ladies Dancing," );
                case 8:     System.out.println("8 Maids a-Milking," );
                case 7:     System.out.println("7 Swans a-Swimming," );
                case 6:     System.out.println("6 Geese a-Laying," );
                case 5:     System.out.println("5 Gold Rings;" );
                case 4:     System.out.println("4 Calling Birds," );
                case 3:     System.out.println("3 French Hens," );
                case 2:     System.out.println("2 Turtle Doves," );
                default:    System.out.print(day==1 ? "A " : "And a " );
                        System.out.println("Partridge in a Pear Tree.");
                        System.out.println();
            } // end switch
        } // end for
    } // end main
} // end class