Java tutorial
import java.awt.Frame; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.RoundRectangle2D; public class MainClass extends Frame { public static void main(String[] args) { (new MainClass()).setVisible(true); } public MainClass() { super("Shape Sampler"); setSize(400, 550); } public void paint(Graphics g) { RoundRectangle2D rrect; Graphics2D g2d = (Graphics2D) g; rrect = new RoundRectangle2D.Float(50, 50, 100, 200, 30, 20); g2d.draw(rrect); } }