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 {
    // REQUIRED INFRASTRUCTURE
    public AlternateBalloons() {
        paintTheImage();
    }
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new AlternateBalloons();
            }
        });
    }
    // THE PAINTER DOING ITS THING
    private void paintTheImage() {
        SPainter painter = new SPainter("Balloons", 600, 600);
        paintSky(painter); // ask IntelliJ to generate the stub
        int nrOfBalloons = 300;
        paintBalloons(painter,nrOfBalloons); // ask IntelliJ to generate the stub
    }
    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); // ask IntelliJ to generate the stub
            i = i + 1;
        }
    }
    private void paintOneBalloon(SPainter painter) {
        Random rgen = new Random();
        int rn = rgen.nextInt(7);
        if ( rn == 0 ) {
            painter.setColor(Color.RED);
        } else if ( rn == 1 ) {
            painter.setColor(Color.ORANGE);
        } else if ( rn == 2){
            painter.setColor(Color.YELLOW);
        } else if ( rn == 3){
            painter.setColor(new Color (100, 200, 75));
        } else if (rn == 4){
            painter.setColor(new Color (0, 100, 75));
        } else if (rn == 5){
            painter.setColor(new Color (125,5, 200));
        }

        painter.move();
        int balloonRadius = 30;
        SCircle balloon = new SCircle(balloonRadius);
        painter.paint(balloon);
        painter.setColor(Color.BLACK);
        painter.draw(balloon);
    }
}