C++20 for Lazy Programmers: Quick, Easy, and Fun C++ for Beginners

© Will Briggs 2021

W. BriggsC++20 for Lazy Programmershttps://doi.org/10.1007/978-1-4842-6306-8_19

19. Inheritance

Will Briggs¹  

(1)

Lynchburg, VA, USA

 

The purpose of this chapter is to enable us to reuse code between similar classes.

The basics of inheritance

There’s an unwritten rule that in a C++ intro text you must have an example using employee records, like Example 19-1. It makes sense. I personally can’t think of anything more exciting than employee records.

// Class Employee

//      -- from _C++20 for Lazy Programmers_

#ifndef EMPLOYEE_H

#define EMPLOYEE_H

#include <iostream>

#include <string>

#include "date.h"

class Employee

{

public:

    Employee ();

    Employee (const Employee&) = delete;

    Employee (const std::string& theFirstName,

              const ...