Write a class room. a room class contains
an int instance variable for the area (in square feet) of the room
one constructor that takes the area of the room as a parameter
an accessor, int getsquarefeet() that returns the area of the room
an accessor, int getcapacity() that returns the capacity of the room. the capacity is given by dividing the square feet by 9 (using integer division).
an accessor, string tostring() that returns the square feet and capacity of the room.