Java Applet which draws a graphic

[dens]

Hello,

For a job at school, I have to create an java applet which draws a graphic like Excel. Here is an example of what I have to do :

It is the first time that I work with java applet and I have to give my job back very soon. Can anybody help me?
Explanation on how to do it and sources are welcomed.

Thank you...

Dens (from south of France)

[tonemgub]

The surrounding parts should be easy (just regular components). The middle would be a custom drawing component (extend JPanel, override paintComponent()), with lines (Graphics.drawLine()) and rectangles (Graphics.fillRect()). You can switch colors with Graphics.setColor()