import java.awt.*;
import java.util.*;

public class move extends java.applet.Applet implements Runnable
{
	Thread t;
	int x[] = new int[6];
	int y[] = new int[6];
	int vx[] = new int[6];
	int vy[] = new int[6];
	Random ran;

	public void init()
	{
		ran = new Random();
		t = new Thread( this );
		t.start();

		Dimension d = size();

		for(int i = 0 ; i < 6 ; i++){
			x[i] = d.width / 2;
			y[i] = d.height / 2;
			vx[i] = ran.nextInt() % 4;
			vy[i] = ran.nextInt() % 4;
		}
	}

	public void paint( Graphics g )
	{
		g.drawRect( x[0], y[0], 40, 40 );
		g.fillRect( x[1], y[1], 20, 20 );
		g.drawLine( x[2], y[2], x[3], y[3] );
		g.drawOval( x[4], y[4], 20, 30 );
		g.drawString( "Moving", x[5], y[5] );
	}

	public void run()
	{
		while( true ){
			try{ Thread.sleep(70);}catch( InterruptedException e ){ }
			for(int i = 0; i < 6 ; i++){
				x[i] = x[i] + vx[i];
				y[i] = y[i] + vy[i];

				if(x[i] <0 || x[i]>size().width) vx[i] = -vx[i];
				if(y[i] <0 || y[i]>size().height) vy[i] = -vy[i];
			}
			repaint();
		}
	}
}