import javax.swing.JApplet; public class CalcApplet extends JApplet { //... Create model, view, and controller. They are // created once here and passed to the parts that // need them so there is only one copy of each. public void init(){ CalcView view = new CalcView(); CalcModel model = new CalcModel(); CalcController controller = new CalcController(model, view); view.setOpaque(true); setContentPane(view); } }