// filename: Pie.java
import java.awt.*;
public class Pie
{	
  int x, y;	
  int diameter;    
  int angle;	   
  int bandWidth;
  Color bColor,lcColor,rcColor;

  public Pie(int x, int y, int diameter, int angle, int bandWidth,
		  Color bColor, Color lcColor, Color rcColor)
  {
  this.x = x;
  this.y = y;
  this.diameter = diameter;    
  this.angle = angle;	   
  this.bandWidth = bandWidth;
  this.bColor = bColor;
  this.lcColor = lcColor;
  this.rcColor = rcColor;  
  }

  public void drawPie(Graphics g)
  {
    // draw the edge
    g.setColor(bColor);
    g.fillOval(x , y, (7*diameter)/5, (7*diameter)/5);

    // the slices of the first color
    g.setColor(rcColor);
    g.fillArc(x + bandWidth, y + bandWidth,
		    diameter, diameter, angle, 90);
    g.fillArc(x + bandWidth, y + bandWidth,
		    diameter, diameter, angle + 180, 90);

    // the slices of the second color
    g.setColor(lcColor);
    g.fillArc(x + bandWidth, y + bandWidth,
		    diameter, diameter, angle + 90, 90);
    g.fillArc(x + bandWidth, y + bandWidth,
		    diameter, diameter, angle + 270, 90);
  }
}

//filename: PieApplet.java
import java.awt.*;
import java.applet.Applet;
public class PieApplet extends Applet {
  public Pie p1;       
  public void init() {
    p1 = new Pie(100,100,300,0,60,Color.black,Color.blue,Color.white); 
  }
  public void paint ( Graphics g ) {
    for (int i=0;i<10000 ; i++)
    {
	p1.angle = i;
	p1.drawPie(g); 
    }
  }
}