1    package npw;
2    import java.awt.Color;
3    import java.util.Random;
4    import painter.SPainter;
5    import shapes.SRectangle;
6    import shapes.SSquare;
7    public class Invention2
8    {
9        public static void main(String[] args)
10       {
11           SPainter paint = new SPainter ("Invention 2", 600, 600);
12           paintBackground(paint);
13           paintRectangle(paint, 20,100);
14       }
15       private static void paintBackground(SPainter paint)
16       {
17           paint.setColor(Color.YELLOW);
18           SSquare background = new SSquare(2000);
19           paint.paint(background);
20       }
21       private static void paintRectangle(SPainter painter, int w, int h)
22       {
23           int i = 1;
24           while (i<=w)
25           {
26               while (i<=h)
27                   paintOneRectangle(painter);
28               i = i + 1;
29           }
30       }
31       private static Color randomColor()
32       {
33           Random a = new Random();
34           int r = a.nextInt(256);
35           int g = a.nextInt(256);
36           int b = a.nextInt(256);
37           return new Color(r,b,g);
38       }
39       private static void paintOneRectangle(SPainter paint)
40       {
41           Random a = new Random();
42           int b = a.nextInt(3);
43           if ( b == 0) {
44               paint.setColor(randomColor());
45           } else if (b == 1) {
46               paint.setColor(randomColor());
47           } else if (b ==2) {
48               paint.setColor(randomColor());
49           }
50           paint.move();
51           SRectangle rectangle = new SRectangle(100,20);
52           paint.paint(rectangle);
53           paint.setColor(Color.BLUE);
54           paint.draw(rectangle);
55       }
56   }
57   
58   
59   
60   
61