accessor method for private field landingfrequency . concode_field_sep int timeStep concode_elem_sep double departureFrequency concode_elem_sep Scanner scan concode_elem_sep double landingFrequency concode_field_sep double getDepartureFrequency concode_elem_sep int getTimeStep concode_elem_sep void collectDepartureFrequency concode_elem_sep void collectTimeStep concode_elem_sep void startUserInteraction concode_elem_sep void greetUser concode_elem_sep void collectLandingFrequency
double function ( ) { return landingFrequency ; }