AlternateBalloons.java
package npw;
import java.awt.Color;
import java.util.Random;
import javax.swing.SwingUtilities;
import painter.SPainter;
import shapes.SCircle;
import shapes.SSquare;

public class AlternateBalloons {
    public AlternateBalloons() {
        paintTheImage();
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new AlternateBalloons();
            }
        });
    }

    private void paintTheImage() {
        SPainter painter = new SPainter("Balloons", 600, 600);
        paintSky(painter); // stub
        int nrOfBalloons = 300;
        paintBalloons(painter, nrOfBalloons);

    }

    private void paintSky(SPainter painter) {
        painter.setColor(Color.BLUE);
        SSquare sky = new SSquare(2000);
        painter.paint(sky);
    }

    private void paintBalloons(SPainter painter, int nrOfBalloons) {
        int i = 1;
        while (i <= nrOfBalloons) {
            paintOneBalloon(painter);
            i = i + 1;
        }
    }

    private void paintOneBalloon(SPainter painter) {
        Random rgen = new Random();
        int rn = rgen.nextInt(6);
        if (rn == 0) {
           Color color = new Color (251, 40, 208);
            painter.setColor(color);

        } else if (rn == 1) {
            Color color2 = new Color (109, 227, 42);
            painter.setColor(color2);
        } else if (rn == 2) {
            Color color3 = new Color (138, 96, 204, 255);
            painter.setColor(color3);
        } else if (rn == 3) {
            painter.setColor(Color.RED);
        } else if (rn == 4) {
            painter.setColor(Color.YELLOW);
        }else {
            painter.setColor(Color.ORANGE);
        }
        painter.move();
        int balloonRadius = 30;
        SCircle balloon = new SCircle(balloonRadius);
        painter.paint(balloon);
        painter.setColor(Color.BLACK);
        painter.draw(balloon);
    }

}