package line;import java.awt.*;import java.awt.event.*;import java.applet.*;public class draw extends Applet {  Point spoint;  Point points[];  int nump;  boolean drawing;  boolean isStandalone = false;  /**Get a parameter value*/  public String getParameter(String key, String def) {    return isStandalone ? System.getProperty(key, def) :      (getParameter(key) != null ? getParameter(key) : def);  }  public void init(){     spoint=new Point(0,0);     points=new Point[1000];     nump=0;     drawing=false;  }  public boolean handleEvent(Event e){     switch(e.id){        case Event.MOUSE_DOWN :            drawing=true;            spoint.x=e.x;            spoint.y=e.y;            return true;        case Event.MOUSE_MOVE :            if((drawing)&&(nump<1000)){                  points[nump]=new Point(e.x,e.y);                  ++nump;                  repaint();             }             return true;         default:              return false;      }  }  public void paint(Graphics g){     int oldx=spoint.x;     int oldy=spoint.y;     for(int x=0;x<nump;++x){         g.drawLine(oldx,oldy,points[x].x,points[x].y);         oldx=points[x].x;         oldy=points[x].y;      }   }  /**Construct the applet*/  public draw() {  }  /**Initialize the applet*/  /**Component initialization*/  private void jbInit() throws Exception {  }  /**Get Applet information*/  public String getAppletInfo() {    return "Applet Information";  }  /**Get parameter info*/  public String[][] getParameterInfo() {    return null;  }}