Draw a blank Canvas based on the size and color set

import java.awt.*;

public class BlankCanvas extends Canvas {
    Dimension minSize = new Dimension(200, 200);

    public BlankCanvas(Color color) {
	setBackground(color);
    }

    public Dimension getMinimumSize() {
	return minSize;
    }

    public Dimension getPreferredSize() {
	return minSize;
    }

    public void paint(Graphics g) {
	Dimension size = getSize();
	g.drawRect(0, 0, size.width - 1, size.height - 1);
    }
}