PieChartCanvas.java

import java.awt.*;
public class PieChartCanvas extends Canvas{
  PieChart pieChart;
  public PieChartCanvas(){
    setBackground(Color.WHITE);
  }
  public void setPieChart(PieChart pieChart){
    this.pieChart=pieChart;
  }
  public void paint(Graphics g){
    pieChart.draw(g);
  }
}