Come scrivere progetti in java?

[sefa]

public class Test0001 {

    /**
  * @param args
  */
    public static void main(String[] args) {
  
  Pixel pix = new Pixel(10, 10, 10, 10, Color.WHITE);
  
   Icon icon = new Icon();
  
   JMenuBar bar = new JMenuBar();
   MenuSize menuSize = new MenuSize(); 
   ToolsMenu tools = new ToolsMenu(icon);
   MenuColor colors = new MenuColor();
  IconPanel panel = new IconPanel(icon);
  IconController controller = new IconController(icon);
  
  controller.setPanel(panel);
  controller.setTools(tools);
  controller.setColors(colors);
  controller.setSizes(menuSize);
  
  panel.addMouseListener(controller);
  colors.addActionListener(controller);
  colors.getRed().addActionListener(controller);
  colors.getGreen().addActionListener(controller);
  colors.getBlue().addActionListener(controller);
  tools.addActionListener(controller);
  menuSize.getSize1().addActionListener(controller);
  menuSize.getSize2().addActionListener(controller);
  menuSize.getSize3().addActionListener(controller);
    
  
  icon.setPixels(pix);
  
  icon.addObserver(panel);
  bar.setSize(10000, 20);
  bar.add(menuSize);
  bar.add(tools);
  bar.add(colors);
  
  
  JFrame frame = new JFrame("Pixel");
  frame.setSize(400, 400);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  //panel.add(bar);
        frame.getContentPane().add(bar,BorderLayout.NORTH);
  frame.getContentPane().add(panel, BorderLayout.CENTER);
  //frame.getContentPane().add(panel1);
  frame.setVisible(true);
    }

}

public class IconPanel extends JPanel implements Observer {
    
    /**
  * 
  */
    private static final long serialVersionUID = 1L;
    //private Pixel pixel;
    private Icon icon;
    
    public IconPanel(Icon icon) {
  super();
  //this.pixel = pixel;
  this.icon = icon;
  icon.update();
    }

    public void setIcon(Icon icon) {
  this.icon = icon;
    }
    
    @Override
    public void paintComponent(Graphics g) {
  super.paintComponent(g);
  
  for(int i = 0; i<icon.getSize(); i++){
   for(int j = 0; j<icon.getSize(); j++){

    icon.getPixels()[i][j].draw(g);
    
   }
  }
  
    }

    @Override
    public void update(Observable o, Object arg) {
  repaint();
  
    }
    
}

public class ToolsMenu extends JMenu {
    private Icon icon;
    private Colorable tool;
    private JMenuItem pencil = new JMenuItem("Pencil");
    private JMenuItem rubber = new JMenuItem("Rubber");
    
    public ToolsMenu(final Icon icon) {
        super();
        this.icon = icon;
        this.setText("Tools");
        pencil.addActionListener(new ActionListener() {
            
            @Override
            public void actionPerformed(ActionEvent e) {
                
            tool = new Pencil(Color.ORANGE);
            


            }
        });
        this.add(pencil);
        rubber.addActionListener(new ActionListener() {
            
            @Override
            public void actionPerformed(ActionEvent e) {
                tool = new Rubber();
                
            }
        });
        this.add(rubber);
    }


    public Colorable getTool() {
        return tool;
    }
}

public class ToolColor implements Colorable{


    private Color color;


    public ToolColor() {
        super();
    }


    @Override
    public void setColor(Color color) {
        this.color = color;
    }


    @Override
    public Color getColor() {
        return color;
    }


}

public class Rubber  extends ToolColor {


    
    public Rubber() {
        super();
        this.setColor(Color.WHITE);
    }
    
//    @Override
//    public void setColor(Color color) {
//        
//    this.color = color.WHITE;
//    }
//
//    @Override
//    public Color getColor() {
//        
//        return color;
//    }

public class Pixel {
    
    private int x ;
    private int y;
    private int width;
    private int height;
    private Color color;
    
    public Pixel(int x, int y, int width, int height, Color color) {
        super();
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
        this.color = color;
    }
    
    public void draw(Graphics graphics){
        graphics.setColor(color);
        graphics.fillRect(x, y, width, height);
        
        
    }


    public void setColor(Color color) {
        this.color = color;
    }
    public Color getColor() {
        return color;
    }
    
    public void setX(int x) {
        this.x = x;
    }
    public int getX() {
        return x;
    }
    
    public void setY(int y) {
        this.y = y;
    }
    public int getY() {
        return y;
    }
    public void setWidth(int width) {
        this.width = width;
    }
    public int getWidth() {
        return width;
    }
    public void setHeight(int height) {
        this.height = height;
    }
    public int getHeight() {
        return height;
    }


}
public class Pencil extends ToolColor   {


    
    
    public Pencil(Color color ) {
        super();
        this.setColor(color);
        
    }


//    @Override
//    public void setColor(Color color) {
//        this.color = color;
//        
//    }
//
//    @Override
//    public Color getColor() {
//        return color;
//    }

public class MenuSize extends JMenu {


    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private JMenuItem size1 = new JMenuItem("16X16");
    private JMenuItem size2 = new JMenuItem("24X24");
    private JMenuItem size3 = new JMenuItem("32X32");
    
    public MenuSize() {
        super();
        this.setText("Size");
        
        add(size1);
        add(size2);
        add(size3);
        
    }
    
    public JMenuItem getSize1() {
        return size1;
    }
    public JMenuItem getSize2() {
        return size2;
    }
    public JMenuItem getSize3() {
        return size3;
    }
}

public class MenuColor extends JMenu {
    


    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private JMenuItem red = new JMenuItem("Red");
    private JMenuItem green = new JMenuItem("Green");
    private JMenuItem blue = new JMenuItem("Blue");
    
    public MenuColor() {
        this.setText("Colors");
        this.add(red);
        


        this.add(green);
        


        this.add(blue);
    }
    
    
    public JMenuItem getRed() {
        return red;
    }
    public JMenuItem getGreen() {
        return green;
    }
    public JMenuItem getBlue() {
        return blue;
    }
    
}

public class Icon extends Observable implements Observer {
    private static final int defaultSize = 32;
    private int size = defaultSize;
    
    
    
    private Pixel[][] pixels  ;
    
    
    public Icon() {
        super();
        
         pixels = new Pixel[size][size];
         
    }
        
    public void setSize(int size) {
        this.size = size;
    }
    
    public int getSize() {
        return size;
    }
    
    
    
    
    public void setPixels(Pixel pixel){
        int red = pixel.getColor().getRed();
        int green = pixel.getColor().getGreen();
        int blue = pixel.getColor().getBlue();
        
        int x = pixel.getX();
        int y = pixel.getY();
        int width = pixel.getWidth();
        int height = pixel.getHeight();
        
        for(int i = 0; i<size; i++){
            
            for(int j =0; j<size; j++){
                
                x = x+10;
                
                
                pixels[i][j] = new Pixel(x, y, width, height,new Color(red, green,blue));
            }
            x = pixel.getX();
            y = y+10;
        }
                
    }
    


    
    public Pixel[][] getPixels() {
        return pixels;
    }
    
    public void update(){
        setChanged();
        notifyObservers();
    }




    @Override
    public void update(Observable o, Object arg) {
     update();
    }


}
public interface Colorable {


    public void setColor(Color color);


    public Color getColor();


}


public class IconController implements ActionListener, MouseListener{


    private Icon icon;
    private IconPanel panel;
    private ToolsMenu tools;
    private MenuColor colors;
    private MenuSize sizes;
    
    public IconController(Icon icon) {
        super();
        this.icon = icon;
    }
    
    @Override
    public void actionPerformed(ActionEvent e) {
        if(e.getSource() == colors.getRed()){
            
            
           tools.getTool().setColor(Color.RED);
            
        }else if(e.getSource() == colors.getGreen()){
            tools.getTool().setColor(Color.GREEN);
            
        }else if(e.getSource() == colors.getBlue()){
            tools.getTool().setColor(Color.BLUE);
            
        }else if(e.getSource() == sizes.getSize1() ){
            icon.setSize(16);
        }else if(e.getSource() == sizes.getSize2()){
            icon.setSize(24);
        }else if(e.getSource() == sizes.getSize3()){
            icon.setSize(32);
            
        }
        icon.update();
    }


    @Override
    public void mouseClicked(MouseEvent e) {
        int x = (e.getX()/10)-2;
        int y = (e.getY()/10)-1;
        
        if(x>=0 && y>=0){
        icon.getPixels()[y][x].setColor(tools.getTool().getColor());
        icon.update();
        }else{;}
        
        
    }


    @Override
    public void mousePressed(MouseEvent e) {
        // TODO Auto-generated method stub
        
    }


    @Override
    public void mouseReleased(MouseEvent e) {
        // TODO Auto-generated method stub
        
    }


    @Override
    public void mouseEntered(MouseEvent e) {
        // TODO Auto-generated method stub
        
    }


    @Override
    public void mouseExited(MouseEvent e) {
        // TODO Auto-generated method stub
        
    }


    public void setPanel(IconPanel panel) {
        this.panel = panel;
    }
    public void setTools(ToolsMenu tools) {
        this.tools = tools;
    }
    public void setColors(MenuColor colors) {
        this.colors = colors;
    }
    public void setSizes(MenuSize sizes) {
        this.sizes = sizes;
    }
}

è un pò lungo lo so; ma ve ne sarei molto gratta se mi diceste che cosa ne pensate .
Grazie in anticipo per il vostro aiuto.