c++ 16 this 和 继承

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

class Animal
{
public:
    Animal();
    Animal(string name);
    string mouth;
    void eat();
    void sleep();
    void drool();
    string name;
};

class Pig : public Animal
{
public:
    Pig();
    Pig(string name);
    void climb();
};

class Turtle : public Animal
{
public:
    Turtle();
    Turtle(string name);
    void swim();
};

Animal::Animal()
{
    cout << "父类的构造函数先调用" << endl;
    this->name = "NULL ";
}
Animal::Animal(string name){
    this->name = name;
}

void Animal::eat()
{
    cout << name << "I am eating " << endl;
}

void Animal::sleep()
{
    cout << name << "I am sleeping , don‘t disturb me " << endl;
}

void Animal::drool()
{
    cout << name << " i am female , when i look male , i will flow water" << endl;
}

Pig::Pig(){
    cout << name << "子类Pig的构造器后被调用" << endl;
}

Pig::Pig(string name) : Animal(name) //继承了子类的构造器 ：
{
    cout << name << "子类Pig的构造器后被调用" << endl;
}

void Pig::climb()
{
    cout << name << " 我是一个漂亮的母猪， 我会上树， 我正在上树" << endl;
}

Turtle::Turtle(){
    cout << "子类Turtle的构造器后被调用" << endl;
}

Turtle::Turtle(string name) : Animal(name) //继承了子类的构造函数 ：
{
    cout << "子类Turtle的构造器后被调用" << endl;
}

void Turtle::swim()
{
    cout << "我是一只小甲鱼，当母猪要来抓我的时候，我就游到海里。。 哈哈" << endl;
}

int main()
{
    Pig pig("亨利");
    Turtle turtle("龟仙人");

    pig.eat();
    turtle.eat();
    pig.climb();
    turtle.swim();

    return 0;
}

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

class BaseClass
{
public:
    BaseClass();
    ~BaseClass();
    void dosth();
};

class SubClass : public BaseClass
{
public:
    SubClass();
    ~SubClass();
};

BaseClass::BaseClass()
{
    cout << "进入基类构造器" << endl;
    cout << "我在基类构造器干了些事" << endl;
}

BaseClass::~BaseClass()
{
    cout << "进入基类析构器" << endl;
    cout << "我在基类的析构器干了些事" << endl;
}

void BaseClass::dosth()
{
    cout << "我干了些事" << endl;
}

SubClass::SubClass()
{
    cout << "进入子类构造器" << endl;
    cout << "我在子类构造器干了些事" << endl;
}

SubClass::~SubClass()
{
    cout << "进入子类析构器" << endl;
    cout << "我在子类的析构器干了些事" << endl;
}

int main()
{
    SubClass sub;

    sub.dosth();

    cout << "程序运行结束" << endl;

    return 0;

}
/* vim: set ts=4 sw=4 sts=4 tw=100 */