Constructors can / cannot (circle correct choice) be called explicitly as if they were regular member functions.

Constructor can be called as explicitly, when the compiler create the nameless and temporary object and then it get immediately get destroyed. As constructor is the special type of function which typically creates the instance of class.

The special member function in the constructor can be called as explicitly by the programmer. The main purpose of the constructor is initializing the object of the class while executing the code in the method for performing various task.