@Override public boolean unload(Entity unit){
  Enumeration<Transporter> iter=transports.elements();
  while (iter.hasMoreElements()) {
    Transporter next=iter.nextElement();
    if (next.unload(unit)) {
      return true;
    }
  }
  return false;
}

@ Override public boolean unload ( Entity unit ) { Enumeration < Transporter > iter = transports . elements ( ) ; while ( iter . hasMoreElements ( ) ) { Transporter next = iter . nextElement ( ) ; if ( next . unload ( unit ) ) { return true ; } } return false ; }
unload the given unit .
