swift - Method and Subscript #2 (Type Method)

class Circle {
    static let pi = 3.14
    var radius = 0.0
    
    func getArea() -> Double {
        return radius * radius * Circle.pi
    }
    
    static func printPi() {
        print(pi)
    }
    
    class func printPiPi() {
        print(pi)
    }
}

Circle.printPi()

class StrokeCircle: Circle {
    // static 키워드는 override할 수 없음
//    override static func printPi() {
//        print(pi)
//    }
    
    override static func printPiPi() {
        print(pi)
    }
}