Import java code applet into form and execute it

Question

Hi all.
I'm on devsuite 10g.
I have the following applet code:
import java.applet.Applet;
import java.awt.event.*;
import java.awt.*;
public class simple2 extends Applet
  implements MouseListener, MouseMotionListener {
      double r0 = 100.0;
      double r1 = 40.0;
    public void paint(Graphics g) {
      int n = 400;
      int x0=0,y0=0,x1,y1;
      for(int i=0;i <=n;i++)
           double rho   = 2*Math.PI*i/n;
           double theta = 16*Math.PI*i/n;
           double x = r0*Math.cos(rho) + r1*Math.cos(theta);
           double y = r0*Math.sin(rho) + r1*Math.sin(theta);
           // cambio sistema di riferimento
           x1 = getSize().width/2+(int)x;
           y1 = getSize().height/2+(int)y;
           // disegno
           if(i>0) g.drawLine(x0,y0,x1,y1);
           x0 = x1;
           y0 = y1;
    public void init() {
      addMouseListener(this);
      addMouseMotionListener(this);
    public void mouseClicked(MouseEvent e) {}
    public void mousePressed(MouseEvent e) {}
    public void mouseReleased(MouseEvent e) {}
    public void mouseEntered(MouseEvent e) {}
    public void mouseExited(MouseEvent e) {}
    public void mouseMoved(MouseEvent e) {}
    public void mouseDragged(MouseEvent e) {
      int x = e.getX(), y = e.getY();
      r0 = x-getSize().width/2;
      r1 = y-getSize().height/2;
      repaint();
      e.consume();
} I want to import this code into my form in order to execute it.
Code make possible drawing graphs to screen...
What I want is to execute this code into my form, in a when-new-block instance trigger or something else.
How can I achieve this???
Thanks all for collaboration,
Fabrizio

Answer 1

It isn't quite as simple as just "importing" your java code if your goal is to have the forms and the java app communicate with each other. Interaction occurs when a properly designed Java Bean is created.
Take a look at some of the examples on the following page as they can likely provide you with a good starting place:
http://sheikyerbouti.developpez.com/forms-pjc-bean/menu/