How to use const modifier class members in C++

Editor to share with you how to use const embellishments in C++, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

# include

# include

# include

# include

Using namespace std

/ *

A1 const modifies a member variable in a class, then the variable must be initialized with an initialization list.

A2 const modifies a member function in a class, indicating that the member function does not modify all member variables in the class.

When A3 const modifies a reference to a function input parameter, it means that the content of the reference must not change in this function.

A3.1 when const modifies the "reference input parameter" of a function, the function can only use the member functions of the const of the input parameter.

, /

Class Student {

String m_name

Const int masks; / / A1

Int m_score

Public:

Int show_info_no_const (void)

{

Cout