Consider the following code: "class Rectangle int width, height; public: Rectangle$($int $w,$ int $h)$ width $=w$; height $=$ :h; $\}$ int calculateArea$()\{$ return width $*$ height; $\}\}$;$".$ What is true about the following

The class here has no constructor

The class variable members are accessible outside the class $$

;We can call this class in the main function as Rectangle $x$

The class has a constructor with two parameters $$