public TubeJourneyPlanner()
 {
     this.matrix = new MatrixFactory().CreateMatrix();
     this.stationHelper = new Constants();
     this.routeCalculator = new RouteCalculator(this.matrix, this.stationHelper);
 }
 public TubeJourneyPlanner(Station[,] matrix, Constants stationHelper, RouteCalculator routeCalculator)
 {
     this.matrix = matrix;
     this.stationHelper = stationHelper;
     this.routeCalculator = routeCalculator;
 }