/**
   An abstract member with name, gender, birthYear and age().
   @author Greg Vogl
   last modified 2003-10-27
*/
public abstract class Member
{
   // constructors
   public Member(String name, boolean gender, int birthYear)
   {
      this.name = name; this.gender = gender; this.birthYear = birthYear;
   }

   // accessors
   public String getName() { return name; }
   public boolean getGender() { return gender; }
   public int getBirthYear() { return birthYear; }
   public int getAge() { return 2003 - birthYear; }

   // toString
   public String toString() 
   {
      return getClass().getName() + 
         "[name=" + getName() + 
         ",gender=" + getGender() + 
         ",birthYear=" + getBirthYear() + 
         ",age=" + getAge() + 
         "]";
   }

   // private variables
   private String name;
   private boolean gender; // male=true, female=false
   private int birthYear;
}