BowlingBall, outer class

letsbowl0.groovy

class BowlingBall {
    private String petName;

    BowlingBall() {
    }

    void setPetName(String petName) {
        this.petName = petName;
    }

    String getPetName() {
        return this.petName;
    }
}

class Bowler {
    private BowlingBall bowlingBall;

    void setBowlingBall(b) {
        this.bowlingBall = b;
    }

    BowlingBall getBowlingBall() {
        return this.bowlingBall;
    }
}


// test
BowlingBall bowlingBall = new BowlingBall();
Bowler bowler = new Bowler();

bowler.setBowlingBall(bowlingBall);

bowler.getBowlingBall().setPetName("Gutter Duster");

print bowler.getBowlingBall().getPetName()