1    /* 
2    * Program that prints 100 red, yellow and orange balloons in a blue sky 
3    * It will feature commands 
4     */
5    
6    package npw;
7    
8    import java.awt.Color;
9    import java.util.Random;
10   import javax.swing.SwingUtilities;
11   import painter.SPainter;
12   import shapes.SCircle;
13   import shapes.SSquare;
14   
15   public class Balloons {
16   
17       // REQUIRED INFRASTRUCTURE
18   
19       public Balloons() {
20           paintTheImage();
21       }
22   
23       public static void main(String[] args) {
24           SwingUtilities.invokeLater(new Runnable() {
25               public void run() {
26                   new Balloons();
27   
28               }
29           });
30       }
31   
32       // THE PAINTER DOING ITS THING
33   
34       private void paintTheImage() {
35           SPainter painter = new SPainter("Balloons", 600, 600);
36           paintSky(painter);
37           int nrOBalloons = 100;
38           paintBalloons(painter,nrOBalloons);
39       }
40   
41       private void paintSky(SPainter painter) {
42           painter.setColor(Color.blue);
43           SSquare sky = new SSquare(2000);
44           painter.paint(sky);
45       }
46   private void paintBalloons(SPainter painter, int nrOfBalloons) {
47           int i = 1;
48           while (i <= nrOfBalloons) {
49               paintOneBalloon(painter);
50               i = i + 1;
51           }
52   }
53   
54       private void paintOneBalloon(SPainter painter) {
55           Random rgen = new Random();
56           int rn = rgen.nextInt(3);
57           if (rn == 0) {
58               painter.setColor(Color.red);
59           } else if (rn == 1) {
60               painter.setColor(Color.orange);
61           } else {
62               painter.setColor(Color.yellow);
63       }
64       painter.move();
65           int balloonsRadius = 20;
66           SCircle balloon = new SCircle(balloonsRadius);
67           painter.paint(balloon);
68           painter.setColor(Color.black);
69           painter.draw(balloon);
70   
71       }
72   
73       {
74   
75       }
76   
77   
78   }
79   
80   
81   
82