/**********************************************************************
 * Simple.java     an example of drawing points in Java
 *
 * To use, do
 *
 *   javac Simple.java
 *   java Simple
 *
 **********************************************************************/

import java.awt.*;		// for Graphics
import java.awt.event.*;	// for WindowAdapter

public class Simple extends Frame {

    public static void main(String args[]) {

	/* Create the Simple object. */

	Simple sim = new Simple("Simple");
    }

    /***** The constructor for Simple *****/
 
    public Simple(String name) {

	/* Explicitly construct the Frame so that we can add the title. */

	super(name);

	/* Add the windowClosing callback, so everything behaves when you
	/* close the application's window  */

	addWindowListener(new WindowAdapter() {
		public void windowClosing(WindowEvent e) {
		    System.exit(0);
		}});

	/* Specify the size of the frame and then make it visible. */

	setSize(500,500);
	setVisible(true);
    }


    /***** This method is called whenever the Simple Frame
	   must be redrawn. *****/

    public void paint(Graphics gc) {

	/* Just draw two lines, point by point, to form an X. */

	for (int i=50; i<300; i++) {
	    gc.drawLine(i,i,i,i); // awt doesn't include a drawPoint method
	    gc.drawLine(350-i,i,350-i,i);
	}
    }
}