How to draw a decent looking Circle in Java

Question

I have tried using the method drawOval with equal height and width but as the diameter increases the circle becomes worse looking. What can I do to have a decent looking cir

Answer 1

Two things that may help:

1. Use Graphics2D.draw(Shape) with an instance of java.awt.geom.Ellipse2D instead of Graphics.drawOval
2. If the result is still not satisfactory, try using Graphics2D.setRenderingHint to enable antialiasing

Example

public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    Shape theCircle = new Ellipse2D.Double(centerX - radius, centerY - radius, 2.0 * radius, 2.0 * radius);
    g2d.draw(theCircle);
}

See Josef's answer for an example of setRenderingHint