C++ Programming, For Beginners, Quick Start Guide. by Docker Raspberry D. & Yao Ray

Author:Docker, Raspberry D. & Yao, Ray [Docker, Raspberry D.]
Language: eng
Format: epub
Publisher: Step by Step Tutorial eBook & Book
Published: 2020-08-04T16:00:00+00:00

Example 5.10

#include <iostream>

using namespace std;

class A {

protected: // define protected permission

int prot; // declare a protected member

};

class B: A { // inheritance

public:

void myfunction(){

prot = 100 ; // access protected member, ok !

cout << prot;

}

};

int main(){

B obj;

obj. myfunction();

return 0;

}

Output:

100

Explanation:

“protected: int prot;” declares a protected member.

“prot = 100;” access protected member of the base class, because the protected member in base class can be accessed by derived class.

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