gistfile1.txt

package Singleton;

public class MSWord {

    String page = "Word Page";

    public static void main(String args[]) {
        MSWord wordObj = new MSWord();
        Printer instance = Printer.getInstance();
        instance.print(wordObj);
    }
}

package Singleton;

public class AcrobatReader {

    String page = "Pdf Page";

    public static void main(String args[]) {
        AcrobatReader pdfObj = new AcrobatReader();
        Printer instance = Printer.getInstance();
        instance.print(pdfObj);
    }
}