public class life
{
   /*
   private boolean living = false;
   public void live () { living = true; }
   public void die () { living = false; }
   public boolean isLiving() { return living; } 
   */
   public String toString()
   {
      return "*";
   }
}
public class life
{
   public String toString()
   {
      return "*";
   }
}
Remove unused code