question: public void initPortNames ( ) { initialized = false ; cbPort . addItem ( "" ) ; CommPortIdentifier currPort ; Enumeration ports = CommPortIdentifier . getPortIdentifiers ( ) ; while ( ports . hasMoreElements ( ) ) { currPort = ( CommPortIdentifier ) ports . nextElement ( ) ; if ( currPort . getPortType ( ) == CommPortIdentifier . PORT_SERIAL ) { cbPort . addItem ( currPort . getName ( ) ) ; } } initialized = true ; }
target:  initialize list of available port names for combo box