question: static boolean shouldReconfigure ( PropertyChangeEvent e ) { if ( e . getPropertyName ( ) == null ) { synchronized ( AbstractAction . class ) { if ( RECONFIGURE_ON_NULL == null ) { RECONFIGURE_ON_NULL = Boolean . valueOf ( AccessController . doPrivileged ( new GetPropertyAction ( "swing.actions.reconfigureOnNull" , "false" ) ) ) ; } return RECONFIGURE_ON_NULL ; } } return false ; }
target:  Whether or not to reconfigure all action properties from the specified event.