继承

// Simple Boss
// Demonstrates inheritance

#include <iostream>
using namespace std;

class Enemy
{
public:
    int m_Damage;
    Enemy();
    void Attack() const;
};

Enemy::Enemy() :
    m_Damage(10)
{}

void Enemy::Attack() const
{
    cout << "Attack inflicts " << m_Damage << " damage points!\n";
}

class Boss : public Enemy
{
public:
    int m_DamageMultiplier;
    Boss();
    void SpecialAttack() const;
};

Boss::Boss() :
    m_DamageMultiplier(3)
{}

void Boss::SpecialAttack() const
{
    cout << "Special Attack inflicts " << (m_DamageMultiplier * m_Damage);
    cout << " damage points!\n";
}

int main()
{
    cout << "Creating an enemy.\n";
    Enemy enemy1;
    enemy1.Attack();
    cout << "\nCreating a boss;\n";
    Boss boss1;
    boss1.Attack();
    boss1.SpecialAttack();
    return 0;
}