Train skeleton

SubwayLine.java

public class SubwayLine {

	public static void main(String[] args) {
		Train local = new Train("C", 1, 16);
		Train express = new Train("A", 3, 0);
		
		for (int i = 0; i < 10; ++i) {
			System.out.println("local: " + local.nextStop());
			System.out.println("express: " + express.nextStop());
		}
	}

}

class Train {
	private String name;
	private int numStationsBetweenStops;
	private int currentStation;
	
	public Train(String inputName, int inputNumStations,
			int startingStation) {
		name = inputName;
		numStationsBetweenStops = inputNumStations;
		currentStation = startingStation;
	}
	
	public int nextStop() {
		currentStation = currentStation + numStationsBetweenStops;
		if (currentStation >= 20) {
			currentStation = 20;
		}
		return currentStation;	
	}
}