While loop variations - solve simpler problem first

1. // Illustrates the while loop for September 30th, 2002 810:061 class...
   
   import objectdraw.*;
   import java.awt.*;
   
   public class Loops extends WindowController
   {
   
      public void begin()
      {
         int xCoord, yCoord;
   
         new FilledRect( 0, 0, 300, 300, canvas).setColor( Color.yellow );
   
         xCoord = 10;
         yCoord = 20;
   
         int i = 0;
   
         while (i < 5)
         {
            FilledRect b = new FilledRect(xCoord, yCoord, 40, 10, canvas);
            b.setColor( new Color( 255 - i * 50, 0, 0 ) );
            xCoord += 20;
            yCoord += 10;
            i++;
         }
   
         xCoord = 10;
         yCoord = 100;
         int width = 20;
         int colorValue = 255;
   
         while (yCoord <= 200)
         {
            FilledRect r = new FilledRect(xCoord, yCoord, width, 20, canvas);
            r.setColor( new Color(colorValue, colorValue, colorValue) );
   
            colorValue = colorValue - 50;
            width += 20;
   
            yCoord += 20;
         }        
      }
   }
   

2. The 3rd and last portion of the begin() method is not shown. That code creates the column of numbers 1 through 8. Write this code and use a while loop and the Text object from objectdraw.jar package to show the first 8 positive integers on the canvas.

   Study Coin Purse for Text objects techniques and syntax, from objectdraw.jar package of Williams College textbook.