public void addPostalAddress(final String addressItem){
  if (postalAddress != null) {
    postalAddress=new ArrayList<String>();
  }
  postalAddress.add(addressItem);
}

public void addPostalAddress ( final String addressItem ) { if ( postalAddress != null ) { postalAddress = new ArrayList < String > ( ) ; } postalAddress . add ( addressItem ) ; }
adds an address item to the complete address .
