import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

class myPanel extends JPanel implements ActionListener {
  int x = 0, y = 0;
  int dx = 1, dy = 1, d = 10;
  Timer pTimer;
  final int width, hight;

  public myPanel(int w, int h) {
    width = w;
    hight = h;
    pTimer = new Timer(200, this);
  }

  public void start() {
    pTimer.start();
  }

  @Override
  public void paintComponent(Graphics g) {
    super.paintComponent(g);
    g.drawRect(0, 0, width, hight);
    g.drawArc(x , y , 100, 100,  0, 360);
    g.drawArc(x + 15, y+ 15, 70, 70, 0, -180);
    g.drawArc(x + 35, y + 35, 10, 10, 0, 360);
    g.drawArc(x + 60, y + 35, 10, 10, 0, 360);
  }

  @Override
  public void actionPerformed(ActionEvent e) {
    x += d * dx;
    y += d * dy;

    if (x < 0) {
      x += d;
      dx *= -1;
    } else 	if (x > width - 100) {
      x -= d;
      dx *= -1;
    }
    if (y < 0) {
      y += d;
      dy *= -1;
    } else if (y > hight - 100) {
      y -= d;
      dy *= -1;
    }
    repaint();
  }
}

class MovingSmiley extends JFrame {
  public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(300, 200);
    f.setTitle("Moving Smiley");
    f.setResizable(false);
    Container contentPane = f.getContentPane();
    myPanel p = new myPanel(300, 150);
    contentPane.add(p);
    p.start();

    f.setVisible(true);
  }
}