java create circle

1// x position, y position, x size, y size.
2ellipse(0, 0, 100, 100);

1public class scratch {
2    public static void main(String[] args) {
3        JFrame window = new JFrame();
4        window.setTitle("Christmas Tree");
5        window.setSize(700, 600);
6        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
7        window.setVisible(true);
8        DrawingComponent DC = new DrawingComponent();
9        window.add(DC);
10    }
11}
12class DrawingComponent extends JComponent{
13      public void paint(Graphics graph0){
14        Graphics2D graph = (Graphics2D) graph0;
15        Ellipse2D.Double circle = new Ellipse.Double(5, 5, 25, 25);
16        graph.fill(circle);
17      }
18}