public class Letter {
   
   private String label;     // A unique label for this state

   //   Constructor: you must specify a label for each letter.
   public Letter (String NewName) 
   {
     setName(NewName);
   }
     // Change the label of the letter
   public void setName (String NewName) {
     label = NewName;
   }
   

   // Get the label for this state
   public final String getLabel() {
     return label;
   }

   // Dump this object's contents to stdout, in a LISP-style list, for debugging purposes 
    public void displayMe() { System.out.print("(letter "+getLabel()+")");}

};