Course/Module 5/Topic 3 of 3Intermediate

inheritance & polymorphism - Practice

Put your inheritance & polymorphism skills to the test with practical exercises and challenges.

50 min•By Priygop Team•Last updated: Feb 2026

Hands-On Practice

Practice makes perfect! In this section, you'll work through practical exercises that reinforce the concepts covered in this module.

Exercises

Exercise 1: Apply basic inheritance & polymorphism concepts
Exercise 2: Solve intermediate-level challenges
Exercise 3: Build a mini-project using inheritance & polymorphism
Exercise 4: Debug and fix common issues

Practice: inheritance & polymorphism

Practice: inheritance & polymorphismC++

C++ Editor

✓ ValidTab = 2 spaces

#include <iostream>
#include <vector>
using namespace std;

class Animal {
protected:
    string name;
public:
    Animal(string n) : name(n) {}
    virtual void speak() const = 0;
    virtual ~Animal() {}
};

class Dog : public Animal {
public:
    Dog(string n) : Animal(n) {}
    void speak() const override { cout << name << " says Woof!" << endl; }
};

class Cat : public Animal {
public:
    Cat(string n) : Animal(n) {}
    void speak() const override { cout << name << " says Meow!" << endl; }
};

int main() {
    vector<Animal*> pets = {new Dog("Rex"), new Cat("Whiskers")};
    for (auto p : pets) { p->speak(); delete p; }
    return 0;
}

Output

Click ▶ Run to see the result

Edit the code on the left, then click Run

C++|30 lines|650 chars|✓ Valid syntax

UTF-8

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