Area.intersects(Rectangle2D r) has the following syntax.
public boolean intersects(Rectangle2D r)
In the following code shows how to use Area.intersects(Rectangle2D r) method.
import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Rectangle; import java.awt.geom.Area; import java.awt.geom.Ellipse2D; //from ww w. j a v a 2s. c om import javax.swing.JFrame; import javax.swing.JPanel; public class Main extends JPanel { public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; Ellipse2D e1 = new Ellipse2D.Double (20.0, 20.0, 80.0, 70.0); Ellipse2D e2 = new Ellipse2D.Double (20.0, 70.0, 40.0, 40.0); Area a1 = new Area (e1); Area a2 = new Area (e2); a1.intersects (new Rectangle(20,20,300,300)); g2.setColor (Color.orange); g2.fill (a1); g2.setColor (Color.black); g2.drawString ("intersect", 20, 140); } public static void main(String[] args) { JFrame frame = new JFrame(); frame.getContentPane().add(new Main()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(200,200); frame.setVisible(true); } }