class Circle {

    int radius;
    String color;

    public Circle(int r, String c) {
        radius = r;
        color = c;
    }
    double getArea() {
        return 3.14 * radius * radius;
    }

}

public class CircleTest_p163 {
    public static void main(String[] args) {

        Circle obj;
        obj = new Circle(100, "blue");

        double area = obj.getArea();
        System.out.println("원의 면적 = " + area);
    }
}