package convexHull; import java.awt.*; /** * This type was created in VisualAge. */ public class MainCanvas extends java.awt.Canvas { /** * MainCanvas constructor comment. */ public MainCanvas() { super(); System.out.println("MainCanvas(): constructor"); } /** * This method was created in VisualAge. * @param g Graphics */ public void paint(Graphics g) { g.clearRect(0, 0, getSize().width, getSize().height); g.setColor(Color.black); g.drawRect(10, 10, 20, 20); } }