command_pattern.cpp

#include <iostream>
#include <string>

class Command
{
public:
    virtual ~Command() {}
    virtual void execute() = 0;
};

class JumpCommand : public Command
{
public:
    void execute() override
    {
        std::cout << "jump!" << std::endl;
    }
};

class FireCommand : public Command
{
public:
    void execute() override
    {
        std::cout << "fire!" << std::endl;
    }
};

int main()
{
    Command* xCommand = new JumpCommand();
    Command* yCommand = new FireCommand();
    
    std::string input;
    while(true){
        std::cin >> input;
        if (input == "X") xCommand->execute();
        if (input == "Y") yCommand->execute();
        if (input == "quit") break;
    }
}