1    /* 
2     * Program that paints 100 red, yellow and orange balloons in a blue sky. 
3     * It will feature commands 
4     */
5    package npw;
6    
7    import painter.SPainter;
8    import shapes.SSquare;
9    import shapes.SCircle;
10   import javax.swing.*;
11   import java.awt.*;
12   import java.util.Random;
13   
14   public class Balloons {
15       // Required Infrastructure
16   
17       public Balloons() {
18           paintTheImage();
19       }
20   
21       public static void main(String[] args) {
22           SwingUtilities.invokeLater(new Runnable(){
23               public void run() {
24                   new Balloons();
25   
26               }
27           });
28       }
29       // The Painter Doing Its Thing
30   
31       private void paintTheImage() {
32           SPainter painter = new SPainter("Balloons", 600, 600);
33           paintSky(painter); // ask IntelliJ to generate the stub
34           int nrOfBalloons = 100;
35           paintBalloons(painter,nrOfBalloons); //ask IntelliJ to generate the stub
36   
37   
38       }
39   
40       private void paintSky(SPainter painter) {
41           painter.setColor(Color.BLUE);
42           SSquare sky = new SSquare(2000);
43           painter.paint(sky);
44   
45       }
46       private void paintBalloons(SPainter painter, int nrOfBalloons) {
47           int i = 1;
48           while ( i <= nrOfBalloons ) {
49               paintOneBalloon(painter); // ask IntelliJ to generate the stub
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 balloonRadius = 20;
66           SCircle balloon = new SCircle(balloonRadius);
67           painter.paint(balloon);
68           painter.setColor(Color.BLACK);
69           painter.draw(balloon);
70       }
71   }
72   
73   
74   
75   
76