/*This is a program used to produced a HOUSE and g2d.fillRect() is a method.*/
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class TransparentRectangles4 extends JPanel
{
public void paint (Graphics g)
{
  super.paint(g);
  Graphics2D g2d=(Graphics2D)g;
   g2d.setColor(Color.BLUE);
 
// for (int i=1; i <= 10; i++)
  {
 // g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,i * 0.1f));
 // g2d.fillRect(50 * i,20,40,40);
  g2d.fillRect(200,300,300,300);
 g2d.setColor(Color.BLUE);
 g2d.fillRect(100,800,100,200);
g2d.drawLine(160,350,350,100);
g2d.drawLine(345,90,538,355);


  }
}
 
public static void main(String[]args)
  {
  JFrame frame =new JFrame("Transparent Rectangles");
  frame.add(new TransparentRectangles4());
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setSize(590,120);
  frame.setLocationRelativeTo(null);
  frame.setVisible(true);
     }
}