if(ball.intersects(r) && ball.y_speed > 0)

/*program: deleting hardrive
 *description: a mock hardrive deletion
 */
import javax.swing.border.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.awt.geom.*;
import java.util.*;

public class Main extends JFrame implements ActionListener{
    public static void main(String []args){
        new Main();
        new otherwindow();
        new animationWindow();
    }

    private JRadioButton yesbutton;
    private JRadioButton nobutton;
    private JRadioButton laterbutton;
    private JButton enter;
    private JTextField othertext;
    private JLabel deleting;
    private JLabel other;
    private JLabel mb;
    private JScrollPane scroll;
    private ButtonGroup option;
    private JSlider slider;
    private JComboBox combo;


    public Main(){
        this.setSize(500, 800);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setTitle("Deleting Hardrive.");
        this.setLocation(750, 0);
        this.setBackground(Color.WHITE);

        JPanel mainpanel = new JPanel();
        JPanel panel = new JPanel();
        JPanel panel2 = new JPanel();
        JPanel panel3 = new JPanel();
        JPanel panel4 = new JPanel();

        yesbutton = new JRadioButton("yes");
        nobutton = new JRadioButton("no");
        laterbutton = new JRadioButton("Not right now.");
        enter = new JButton("Enter text");


        slider = new JSlider(0, 1000000, 1000000);
        slider.setMajorTickSpacing(500000);
        slider.setMinorTickSpacing(0);
        slider.setPaintTicks(true);
        slider.setPaintLabels(true);

        combo = new JComboBox();

        combo.addItem("0");
        combo.addItem("500000");
        combo.addItem("1000000");

        yesbutton.addActionListener(this);
        nobutton.addActionListener(this);
        laterbutton.addActionListener(this);
        enter.addActionListener(this);

        option = new ButtonGroup();

        option.add(yesbutton);
        option.add(nobutton);
        option.add(laterbutton);

        othertext = new JTextField(15);

        scroll = new JScrollPane(
                othertext,
                JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED

        );

        mb = new JLabel("How many MBs to delete...");

        deleting = new JLabel("Deleting Hardrive.");
        other = new JLabel("other: ");

        Border mainb = BorderFactory.createTitledBorder("Deleting Hardrive");
        mainpanel.setBorder(mainb);

        Border b = BorderFactory.createTitledBorder("Deleting");
        panel.setBorder(b);

        Border b2 = BorderFactory.createTitledBorder("Yes, no, or later.");
        panel2.setBorder(b2);

        Border b3 = BorderFactory.createTitledBorder("Other");
        panel3.setBorder(b3);

        Border b4 = BorderFactory.createTitledBorder("MBs");
        panel4.setBorder(b4);

        mainpanel.setLayout(new GridLayout(4, 1));

        panel.add(deleting);

        panel2.add(yesbutton);
        panel2.add(nobutton);
        panel2.add(laterbutton);

        panel3.add(other);
        panel3.add(scroll);
        panel3.add(enter);

        panel4.add(mb);
        panel4.add(slider);
        panel4.add(combo);

        mainpanel.add(panel);
        mainpanel.add(panel2);
        mainpanel.add(panel3);
        mainpanel.add(panel4);

        this.add(mainpanel);


        this.setVisible(true);
    }
    public void actionPerformed(ActionEvent e){
        if(e.getSource() == nobutton || e.getSource() == laterbutton){
            nobutton.setText("HAHA! Clicking the button doesn't do anything!");
            laterbutton.setText("HAHA! Clicking the button doesn't do anything!");
            JOptionPane.showMessageDialog(
                    null,
                    "Deleting Hardrive...",
                    "Deleting Hardrive...",
                    JOptionPane.DEFAULT_OPTION
            );
        }
        else if(e.getSource() == yesbutton){
            String selected = (String)combo.getSelectedItem();
            JOptionPane.showMessageDialog(
                    null,
                    "Finished deleting " + slider.getValue() + "MBs + " + selected + "MBs, please reboot.",
                    "Finished, please reboot.",
                    JOptionPane.DEFAULT_OPTION
            );
        }
        else if(e.getSource() == enter){
            other.setText("you want to do: " + othertext.getText());
        }
    }
}
class PaintSurface extends JComponent{
    ArrayList<Shape> shapes = new ArrayList<Shape>();
    Point startDrag, endDrag;

    public PaintSurface(){
        this.addMouseListener(new MouseAdapter(){
                public void mousePressed(MouseEvent e){
                    startDrag = new Point(e.getX(), e.getY());
                    endDrag = startDrag;
                    repaint();
                }
                public void mouseReleased(MouseEvent e){
                    Shape r = makeEllipse(
                            startDrag.x, startDrag.y,
                            e.getX(), e.getY()
                    );
                    shapes.add(r);
                    startDrag = null;
                    endDrag = null;
                    repaint();
                }
        });
        this.addMouseMotionListener(new MouseMotionAdapter(){
           public void mouseDragged(MouseEvent e){
               endDrag = new Point(e.getX(), e.getY());
               repaint();
           } 
        });
    }
    public void paint(Graphics g){
        Graphics2D g2 = (Graphics2D)g;

        //turn on antialiasing
        g2.setRenderingHint(
                RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON
        );

        g2.setPaint(Color.LIGHT_GRAY);
        for(int i = 0; i < getSize().width; i += 10){
            Shape line = new Line2D.Float(i, 0, i, getSize().height);
            g2.draw(line);
        }
        for(int i = 0; i < getSize().height; i += 10){
            Shape line = new Line2D.Float(0, i, getSize().width, i);
            g2.draw(line);
        }

        Color []colors = {
            Color.RED, Color.BLUE, Color.YELLOW, Color.PINK,
            Color.MAGENTA, Color.ORANGE, Color.GREEN
        };

        int colorIndex = 0;

        g2.setStroke(new BasicStroke(2));
        g2.setComposite(AlphaComposite.getInstance(
                AlphaComposite.SRC_OVER, 0.50f));

        for(Shape s : shapes){
            g2.setPaint(Color.BLACK);
            g2.draw(s);
            g2.setPaint(colors[(colorIndex++) % 6]);
            g2.fill(s);
        }

        if(startDrag != null && endDrag != null){
            g2.setPaint(Color.LIGHT_GRAY);
            Shape r = makeEllipse(startDrag.x, startDrag.y, endDrag.x, endDrag.y);
            g2.draw(r);
        }
    }
    private Ellipse2D.Float makeEllipse(int x1, int y1, int x2, int y2){
        int x = Math.min(x1, x2);
        int y = Math.min(y1, y2);

        int width = Math.abs(x1 - x2);
        int height = Math.abs(y1 - y2);


        return new Ellipse2D.Float(x, y, width, height);
    }
}
class otherwindow extends JFrame{
    public otherwindow(){
        this.setSize(500, 500);

        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        this.setLocation(0, 0);

        this.setBackground(Color.WHITE);

        this.setTitle("Draw an ellipse Here!");


        this.add(new PaintSurface());


        this.setVisible(true);
    }
}
class animationWindow extends JFrame{
    public animationWindow(){
        this.setSize(250, 250);
        this.setLocation(500, 0);
        this.setBackground(Color.WHITE);


        Thread t = new AnimationThread(this);
        t.start();

        this.add(new AnimationSurface());

        this.setVisible(true);
    }
}
class AnimationThread extends Thread{
    JFrame c;

    public AnimationThread(JFrame c){
        this.c = c;
    }

    public void run(){
        while(true){
            c.repaint();
            try{
                Thread.sleep(20);
            }
            catch(InterruptedException ex){
                //swallow the exception
            }
        }
    }
}
class AnimationSurface extends JComponent{
    int paddle_x = 125;

    int paddle_y = 10;

    int score = 0;

    float english = 1.0f;

    Ball ball;

    private int colorIndex = 0;

    Color []colors = {
        Color.RED, Color.ORANGE, Color.BLUE, 
                Color.MAGENTA, Color.PINK, Color.YELLOW
    };

    public void AnimationSurface(){
        addMouseMotionListener(new MouseMotionAdapter(){
            public void mouseMoved(MouseEvent e){
                if(e.getX() - 30 - paddle_x > 5){
                    english = 1.5f;
                }
                else if(e.getX() - 30 - paddle_x < -5){
                    english = -1.5f;
                }
                else{
                    english = 1.0f;

                }
                paddle_x = e.getX() - 30;
                paddle_y = 20;
            }
        });
        ball = new Ball(20);
    }
    public void paint(Graphics g){
        Graphics2D g2 = (Graphics2D)g;
        g2.setRenderingHint(
                RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON
        );

        Shape paddle = new Rectangle2D.Float(paddle_x, paddle_y, 50, 10);

        g2.setColor(colors[colorIndex % 6]);

        try{
            Rectangle2D r = new Rectangle2D.Float(paddle_x, paddle_y, 50, 10);
            if(ball.intersects(r) && ball.y_speed > 0){
                ball.y_speed = -ball.y_speed;
                ball.x_speed = (int)(ball.x_speed * english);
                if(english != 1.0f){
                    score += Math.abs(ball.x_speed * 10);
                }
                if(ball.getY() + ball.getHeight() >= 250){
                    ball = new Ball(20);
                    score -= 1000;
                    colorIndex = 0;
                }
                ball.move();
                g2.fill(ball);
                g2.fill(paddle);

                g2.drawString("Score: " + score, 0, 0);
            }
        }
        catch(NullPointerException e){
            g2.setPaint(Color.BLUE);

            g2.drawString(e.toString(), 50, 50);

            g2.setColor(colors[colorIndex % 6]);
        }
    }
}
class Ball extends Ellipse2D.Float{
  public int x_speed, y_speed;
  private int d;
  private int width = 250;
  private int height = 250;

  public Ball(int diameter){
      super((int)(Math.random() * (250 - 20) + 1),
              0, diameter, diameter);
      this.d = diameter;
      this.x_speed = (int)(Math.random() * 5 + 5);
      this.y_speed = (int)(Math.random() * 5 + 5);
  }
  public void move(){
      if(super.x < 0 || super.x > width - d){
          x_speed = -x_speed;
      }
      if(super.y < 0 || super.y > height - d){
          y_speed = -y_speed;
      }
      super.x += x_speed;
      super.y += y_speed;
  }
}