import javax.swing.*;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.*;
import java.awt.Color;

public class Rectangle2DTest4 extends JPanel{

  public static void main(String[] args){
    JFrame frame = new JFrame();

    Rectangle2DTest4 app = new Rectangle2DTest4();
    frame.getContentPane().add(app);

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setBounds(10, 10, 300, 200);
    frame.setTitle("ƒ^ƒCƒgƒ‹");
    frame.setVisible(true);
  }

  public void paintComponent(Graphics g){
    Graphics2D g2 = (Graphics2D)g;

    Rectangle2D.Double rec1
      = new Rectangle2D.Double(10.0d, 10.0d, 120.0d, 80.0d);

    Rectangle2D.Double rec2
      = new Rectangle2D.Double(50.0d, 40.0d, 180.0d, 70.0d);

    Rectangle2D.Double recNew
       = (Rectangle2D.Double)rec2.createIntersection(rec1);

    g2.setPaint(Color.PINK);
    g2.fill(recNew);

    g2.setPaint(Color.BLUE);
    g2.draw(rec1);
    g2.draw(rec2);
  }
}