WithoutInterface.cpp

#include <iostream>
#include <memory>
#include <string>

// English implementation
class EnglishChatbot  {
public:
    void hello() override {
        std::cout << "Hello!" << std::endl;
    }
    void goodbye() override {
        std::cout << "Goodbye!" << std::endl;
    }
};

// French implementation
class FrenchChatbot  {
public:
    void hello() override {
        std::cout << "Bonjour!" << std::endl;
    }
    void goodbye() override {
        std::cout << "Au revoir!" << std::endl;
    }
};

// Spanish implementation
class SpanishChatbot {
public:
    void hello() override {
        std::cout << "¡Hola!" << std::endl;
    }
    void goodbye() override {
        std::cout << "¡Adiós!" << std::endl;
    }
};

int main() {
    SpanishChatbot spanishCB;
    FrenchChatbot frenchCB;
    EnglishChatbot englishCB;
  
  
    std::cout << "Which language do you want? (English/French/Spanish): ";
    std::cin >> language;
  
    // whenever we want to speak....

    if (language == "English") {
        englishCB.hello();
        englishCB.goodbye();
    }
    else if (language == "French") {
        frenchCB.hello();
        frenchCB.goodbye();
    }
    else if (language == "Spanish") {
        spanishCB.hello();
        spanishCB.goodbye();
    }
    else {
        std::cout << "Unknown language. Using English as default." << std::endl;
        englishCB.hello();
        englishCB.goodbye();
    }



    return 0;
}