private boolean relocate(){
  boolean finished=true;
  for (  Relocatable relocatable : this.relocatables) {
    finished&=relocatable.relocate();
  }
  return finished;
}

private boolean relocate ( ) { boolean finished = true ; for ( Relocatable relocatable : this . relocatables ) { finished &= relocatable . relocate ( ) ; } return finished ; }
relocates all relocatables and aggregate their response into a single one .
