2-1



public class Circle {

	private double radius;
	private String color;

	public Circle() {
		this.radius = 1.0;
		this.color = "red";
	}

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

	public double getRadius() {
		return radius;
	}

	public double getArea() {
		double area = 3.14 * radius * radius;
		return area;
	}

}

class Main {
	public static void main(String[] args) {
		Circle cir = new Circle(8.884);
		System.out.println(cir.getRadius());
		System.out.println(cir.getArea());

	}
}