package mvp; import javax.swing.JFrame; import java.awt.Component; /**** * * Class Window is a toolkit-independent definition of a top-level window * displayed on the screen. In Java, a Window is synonymous with JFrame. * In other toolkits, the definition of Window will vary. * * @author Gene Fisher (gfisher@calpoly.edu) * */ public class Window extends JFrame { /** * As a convenience, define the basic version of add to add the given * component to the content pane of the JFrame. In jdk 1.3, attempting to * add directly to the JFrame rather than its content pane produces a * rather silly compiler error. */ public Component add(Component comp) { return super.getContentPane().add(comp); } }