1    /* 
2     * Program that paints 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.*;
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       //painter doing its thing
32   
33       private void paintTheImage() {
34           SPainter painter = new SPainter("Balloons",600,600);
35           paintSky(painter); //ask IntelliJ to generate the stub
36           int nrOfBalloons = 100;
37           paintBalloons(painter,nrOfBalloons); //ask IntelliJ ti generate the stub
38       }
39       private void paintSky (SPainter painter) {
40           painter.setColor(Color.BLUE);
41           SSquare sky = new SSquare(2000);
42           painter.paint(sky);
43       }
44       private void paintBalloons(SPainter painter, int nrOfBalloons) {
45           int i = 1;
46           while(i <= nrOfBalloons) {
47               paintOneBalloon(painter); //ask Intellej to generate the stub
48               i = i+1;
49           }
50       }
51       private void paintOneBalloon(SPainter painter){
52           Random rgen = new Random();
53           int rn = rgen.nextInt(3);
54           if (rn == 0) {
55               painter.setColor(Color.RED);
56           }
57           else if (rn == 1) {
58               painter.setColor(Color.ORANGE);
59           }
60           else {
61               painter.setColor(Color.YELLOW);
62           }
63           painter.move();
64           int balloonRadius = 20;
65           SCircle balloon = new SCircle(balloonRadius);
66           painter.paint(balloon);
67           painter.setColor(Color.BLACK);
68           painter.draw(balloon);
69       }
70   
71   }
72