qfedu-cpp-level/day3/d9.cpp

// 深拷贝和浅拷贝
// 浅拷贝举例
#include <iostream>
#include <cstdlib>
#include <cstring>

using namespace std;

class Person
{
private:
    char *name;
    int age;

public:
    Person(const char *name, int age)
    {
        this->name = (char *)malloc(32);
        this->age = age;
    }
    void release_name_pointer()
    {
        free(name);
    }

public:
    void setName(char *name)
    {
        strcpy(this->name, name);
    }
    void show()
    {
        cout << name << ", " << age << endl;
    }
};

int main()
{
    Person p1("disen", 20);
    Person p2 = p1;
    Person p3 = Person(p2);
    p3.setName("Jack");

    p1.show();
    p2.show();
    p3.show();

    // p1.release_name_pointer();
    p2.release_name_pointer();
    return 0;
}