Module:Test1234
From Wiki Knowledge Base | Teltonika GPS
-- Meta class Rectangle = {area = 0, length = 0, breadth = 0} -- Derived class method new function Rectangle:new (o,length,breadth) o = o or {} setmetatable(o, self) self.__index = self self.length = length or 0 self.breadth = breadth or 0 self.area = length*breadth; return o end -- Derived class method printArea function Rectangle:printArea () return self.area end