C++ pointer to base class

#include <cstdlib>
#include <ctime>
#include <iostream>
#include <vector>

class Parent {
public:
    virtual void sayHi()
    {
        std::cout << "Parent here!" << std::endl;
    }
};

class Child : public Parent {
public:
    void sayHi()
    {
        std::cout << "Child here!" << std::endl;
    }
};

class DifferentChild : public Parent {
public:
    void sayHi()
    {
        std::cout << "DifferentChild here!" << std::endl;
    }
};

int main()
{
    std::vector<Parent*> parents;

    // Add 10 random children
    srand(time(NULL));
    for (int i = 0; i < 10; ++i) {
        int child = rand() % 2; // random number 0-1
        if (child) // 1
            parents.push_back(new Child);
        else
            parents.push_back(new DifferentChild);
    }

    // Call sayHi() for each type! (example of polymorphism)
    for (const auto& child : parents) {
        child->sayHi();
    }

    return 0;
}

Similar codes

0 vote305 views3 answers
C++ Dynamic allocation failing
C++
0 vote325 views1 answer
Currency Converter c++
C++
2 votes330 views1 answer
Excel vba delete worksheet if exists
C++
93 votes517 views4 answers
C++ get time
C++
6 votes346 views2 answers
Get data from terminal c++
C++
2 votes353 views1 answer
How to use winmain function
C++
2 votes335 views1 answer
Clrscr in cpp
C++
0 vote326 views1 answer
Const char * to std::wstring
C++
0 vote343 views1 answer
Convert char to C
C++
5 votes309 views1 answer
C++ all in one header file
C++