JAVA ДЛЯ ПОТОКОВ ИВБО / ПР-9 / Circle

class Circle implements Comparable<Circle> {
    private double radius;

    public Circle(double radius) {
        this.radius = radius;
    }

    public double getRadius() {
        return radius;
    }

    @Override
    public int compareTo(Circle other) {
        return Double.compare(this.radius, other.radius);
    }
}