class Circle {

	private double radius;

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

	public void setRadius(double radius) {
		this.radius = radius;
	}

	public double getRadius() {
		return this.radius;
	}

	public double computeArea() {
		return 2 * Math.PI * radius * radius;
	}

	public String toString() {
		return "Circle of radius: " + radius;
	}
}

class TwoCircles {
	private Circle circle1, circle2;

	public TwoCircles(double radius1, double radius2) {
		circle1 = new Circle(radius1);
		circle2 = new Circle(radius2);
	}

	public double getLargerArea() {
		double area1 = circle1.computeArea();
		double area2 = circle2.computeArea();
		// Same as: if (area1 > area2) { return area1; } else { return area2; }
		return area1 > area2 ? area1 : area2;
	}

	public Circle getLargerCircle() {
		return circle1.getRadius() > circle2.getRadius() ? circle1 : circle2;
	}

	public static void main(String[] args) {
		TwoCircles test = new TwoCircles(5, 7);
		Circle circle = test.getLargerCircle();
		System.out.println(circle.toString());
	}
}

class Stock {
	private static double value = 10;
	private final int serialNumber;
	private static int numberOfShares = 0;

	public Stock() {
		serialNumber = numberOfShares++;
	}

	public static double getValue() {
		return value;
	}

	public int getSerialNumber() {
		return serialNumber;
	}

	public static int getNumberOfShares() {
		return numberOfShares;
	}

	public static void setValue(double value) {
		Stock.value = value;
	}

	public String toString() {
		return "Value is " + value + "\n" + "Serial Number is " + serialNumber
				+ "\n" + "Number of Certificates is " + numberOfShares
				+ "\n";
	}
}