public class Main {

	public static void main(String[] args)
	{
		Course CS1102 = new Course("CS1102");
		Course CS2311 = new Course("CS2311");
		CS2311.addPreReq(CS1102);
		Course CS2312 = new Course("CS2312");
		CS2312.addPreReq(CS2311);
		Course CS2115 = new Course("CS2115");
		Course CS3103 = new Course("CS3103");
		CS3103.addPreReq(CS2115);
		CS3103.addPreReq(CS2312);
		Course CS3334 = new Course("CS3334");
		CS3334.addPreReq(CS2311);

		Programme programme = new Programme();
		programme.add(CS3334);
		programme.drop(CS2312);
		programme.drop(CS2311);
		programme.drop(CS3334);
	}
}