Protecting Embedded Classes - C++ Class

Description

Protecting Embedded Classes

Demo Code

#include <iostream>
using namespace std;

class EthicalCompetition {
private:/*from   w w  w  .  j a  va  2  s  .c  om*/
    class Connection;
public:
    void HardWork();
};
class EthicalCompetition::Connection {
protected:
    friend class EthicalCompetition;
    void Connect();
    Connection() {}
    ~Connection() {}
};
void EthicalCompetition::HardWork() {
    Connection c;
    c.Connect();
    cout << "Connected" << endl;
}
void EthicalCompetition::Connection::Connect() {
    cout << "Connecting..." << endl;
}
int main(int argc, char *argv[])
{
    // EthicalCompetition::Connection myconnect;
    EthicalCompetition comp;
    comp.HardWork();
    return 0;
}

Result

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Related Tutorials

• Using Protected Members to let base classes provide derived classes with access to some of their private member data or functions.
• Demonstrates use of class visibility labels.
• Using the Public and Private Words to Hide Parts of Your Class
• Use access modifiers to utilize encapsulation and hide class implementations from calling code.
• Make them private and provide public accessors to class members