import java.awt.*;
import java.awt.event.*;

public class Example01 extends Frame {
/*
   * Instantiates an Example01 object.
**/
public static void main(String args[]) {
     new Example01();
 }

/*
* Our Example01 constructor sets the frame's size, adds the
* visual components, and then makes them visible to the user.
* It uses an adapter class to deal with the user closing
* the frame.
*/
public Example01() {
//Title our frame.
//super("Java 2D Example01");
//Set the size for the frame.
 setSize(640,480);

//We need to turn on the visibility of our frame028     //by setting the Visible parameter to true.
  setVisible(true);

//Now, we want to be sure we properly dispose of resources
//this frame is using when the window is closed.  We use
//an anonymous inner class adapter for this.
  addWindowListener(new WindowAdapter()
  {public void windowClosing(WindowEvent e)
      {dispose(); System.exit(0);}
  }
	    );
 }

/*
* The paint method provides the real magic.  Here we
* cast the Graphics object to Graphics2D to illustrate
* that we may use the same old graphics capabilities with
 * Graphics2D that we are used to using with Graphics.
 **/
public void paint(Graphics g) {
 //Here is how we used to draw a square with width
 //of 200, height of 200, and starting at x=50, y=50.
  g.setColor(Color.red);
  g.drawRect(50,50,200,200);

//Let's set the Color to blue and then use the Graphics2D
//object to draw a rectangle, offset from the square.
//So far, we've not done anything using Graphics2D that
//we could not also do using Graphics.  (We are actually
     //using Graphics2D methods inherited from Graphics.)
    Graphics2D g2d = (Graphics2D)g;
     g2d.setColor(Color.blue);
     g2d.drawRect(75,75,300,200);
   }
 }