Začínám s javou - nefungují mi ani příklady

import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Color;

public class Pokus extends Applet{

  String text = "I'm a simple applet";

  public void init() {
    text = "I'm a simple applet";
    setBackground(Color.cyan);
  }

  public void start() {
        System.out.println("starting...");
  }

  public void stop() {
        System.out.println("stopping...");
  }

  public void destroy() {
        System.out.println("preparing to unload...");
  }

   public void paint(Graphics g){
    System.out.println("Paint");
    g.setColor(Color.blue);
    g.drawRect(0, 0, 
           getSize().width -1,
           getSize().height -1);
    g.setColor(Color.red);
    g.drawString(text, 15, 25);
   }
}

  public static void main() {
  
  
  };

public static void main(String[] args)

non-static method setBackground(java.awt.Color) cannot be referenced from a static context