// Main links together the model, view, and controller in a triangle 

class Main {

    public static void main(String argv[]) {
	View v = new View(); 
	Model m = new Model();
	Controller c = new Controller(m,v); 
	
	// the controller is a listener for the view 
	v.register(c); 

	// the view is a listener for the model 
	m.addListener(v); 
    }
}