void function ( ) { }
cause the rider to use the provided controls to make the stops specified in the constructor . the rider should stop at each of the floors in stops , an array of floor numbers . the rider should only make the specified stops . for example , suppose the rider uses controls to determine that it is initially on floor 1 , and suppose the stops array contains two elements : 0 , 2 . then the rider should get on an elevator , get off on floor 0 , get on an elevator , and get off on floor 2 , pushing buttons as necessary . this method should not return , but instead should call controls.finish when the rider is finished . concode_field_sep PlaceHolder placeHolder concode_field_sep void initialize