private String readNodeAddress(){
  String addr="";
  addr=nodeAddrField.getText();
  if (addr.equals("FF FF ") || addr.equals("FF FE ") || addr.equals("")) {
    addr=nodeAddr64Field.getText();
  }
  return (addr);
}

private String readNodeAddress ( ) { String addr = "" ; addr = nodeAddrField . getText ( ) ; if ( addr . equals ( "FF FF " ) || addr . equals ( "FF FE " ) || addr . equals ( "" ) ) { addr = nodeAddr64Field . getText ( ) ; } return ( addr ) ; }
read node address from the nodeaddressfield or nodeaddr64field as appropriate and return as a string .
