hjälp med java programmering

public class Textdemo {

    private static class Color {

        public Color() {
        }
    }

import java.awt.*;  // Color, Font

public class TextDemo {
    
    private PaintWindow window = new PaintWindow();
    
    private Color brown = new Color(123,62,41);
    private Color husfasad = new Color(128,64,0);
        private Object Color;
    
    private void hus(Color fasad, int x, int y) {
        window.fillRect(x, y, 40, 20, fasad);
        window.fillRect(x, y-10, 40, 10, Color.BLACK);
        window.fillRect(x+35, y-14, 3, 4, Color.BLACK);
        window.fillRect(x+8, y+4, 6, 8, Color.WHITE);
        window.fillRect(x+26, y+4, 6, 8, Color.WHITE);
    }
    
    public void bakgrund() {
        window.fillRect(0, 0, window.getBackgroundWidth(), 200, Color.CYAN);
        window.fillOval(250, 140, 100, 100, Color.ORANGE);
        window.fillRect(0, 200, window.getBackgroundWidth(), window.getBackgroundHeight()-200, Color.BLUE);
        window.fillOval(300, 210, 200, 30, Color.GREEN);
        window.fillOval(350, 190, 130, 50, Color.GREEN);
        hus(brown, 390, 175);
        hus(brown, 325, 197);
        hus(brown, 320, 200);
    }
    
    public void text() {
        int signaturX, signaturY;
        Text titel = new Text("Solnedgång", new Font("SansSerif",Font.ITALIC,24),Color.ORANGE);
        Text signatur = new Text("Rolf Axelsson");
        signatur.setBackground(new Color(128,128,255));
        window.showImage(titel, 50, 50);
        signaturX = window.getBackgroundWidth() - signatur.getIconWidth() - 3;
        signaturY = window.getBackgroundHeight() - signatur.getIconHeight() - 3;
        window.showImage(signatur, signaturX, signaturY);
    }
    
    public static void main(String[] args) {
        TextDemo u1b = new TextDemo();
        u1b.bakgrund();
        u1b.text();
    }
    }

}

studsa(double kraft) {
   // spara bollens ursprungsposition
   // loopa medan (bollens nuvarande position + kraft) är större än bollens ursprungsposition
   // bollens position = (bollens position + kraft)
   // rita ut bollen
   // kraft = kraft - 0.1;
   // slut på loop
}

private int bounces = 4;

public void slowMoveVertical(int distance) {
   int pos = this.getVertical();
   int d = Math.abs(distance);
   int direction = distance / d;
   int limiter = d / bounces;

   for (int h = 0; h < bounces; h++) {
      int target = d - (h * limiter)
      for (int i = 0; i < target; i++) {
            pos += direction;
            this.moveVertical(pos);
            this.paint();
      }
      for (int i = target; i > 0; i--) {
            pos -= direction;
            this.moveVertical(pos);
            this.paint();
      }
   }
}