question: private String readNodeAddress ( ) { String addr = "" ; addr = nodeAddrField . getText ( ) ; if ( addr . equals ( "FF FF " ) || addr . equals ( "FF FE " ) || addr . equals ( "" ) ) { addr = nodeAddr64Field . getText ( ) ; } return ( addr ) ; }
target:  Read node address from the nodeAddressField or nodeAddr64Field  as appropriate and return as a string.  