HelloWorld2.java is the 2nd version of Hello World.
Click the applet canvas to see an important UNI message.

Click ABOVE the line to clear the canvas and see the Canvas Cleared message.

// Written by Mark Jacobson - show(), hide(), clearCanvas(), if, etc. 

// Also shows the first PRIVATE method example - drawSetup() is private.
// Tuesday, January 28th, 2003  -  Note the VWS (Vertical White Space)
//                              -  Note also the INDENTATION style...

import objectdraw.*;
import java.awt.*;

public class HelloWorld2 extends WindowController
{
   private Text clearMessage;
   private FilledRect clearLine;

   public void begin()
   {
      drawSetup();
   }

   public void onMousePress(Location point)
   {
      double x = point.getX() + 25;
      double y = point.getY();

      new Text("Go Panthers", x, y, canvas).setColor( Color.magenta );
      clearMessage.hide();
   }

   public void onMouseRelease(Location point)
   {
      if ( point.getY() < clearLine.getY() )
      {
         canvas.clear();

         drawSetup();
         clearMessage.show();
      }
   }  
 
   private void drawSetup()
   {
      clearLine = new FilledRect(0, 25, 500, 2, canvas);

      clearMessage = new Text("Canvas cleared!", 100, 2, canvas);
      clearMessage.setFont("Courier New");
      clearMessage.setColor( Color.blue );
      clearMessage.setFontSize( 22 );

      clearMessage.hide();
   }                             
}