c++ - Calling class method through NULL class pointer

Question

(This question already has answers here): question from:https://stackoverflow.com/questions/2505328/calling-class-method-through-null-class-pointer

Answer 1

Calling member functions using a pointer that does not point to a valid object results in undefined behavior. Anything could happen. It could run; it could crash.

In this case, it appears to work because the this pointer, which does not point to a valid object, is not used in print.