Simple OOP

#include<string>
#include<iostream>

using namespace std;

class People{

    // properties || attributes
    int tuoi;
    string name;

public:

    People(){  // constructor
        tuoi = 0;
        name = "unknown";
    }

    People(int _tuoi, string _name){ // overloading constructor
        tuoi = _tuoi;
        name = _name;
    }

    ~People(){  // destructor
        cout<<"you're die"<<endl;
    }

    // getter
    int getYear(){ return tuoi; }
    string getName(){ return name; }

    // setter
    void setYear(int _tuoi){
        tuoi=_tuoi;
    }
    void setName(string _name){
        name = _name;
    }



private:
    void eating(){
        cout<<"I'm eating"<<endl;
    }

    void eating(string food){  // overloading method
        cout<<"I'm eating "<<food<<endl;
    }

    void sleeping(){
        cout<<"I'm sleeping"<<endl;
    }

public:

    void daily(){
        eating();
        sleeping();
    }

};


int main(int argc, char** argv)
{
    //People student(20,"huynh quang thao"); //object
    //cout<<student.name<<endl;

    // create object on heap
    People* pupil = new People(20, "pham thi thu hoa");
    cout<<pupil->getName()<<endl;
    pupil->setName("huynh quang thao");
    cout<<pupil->getName()<<endl;
    cout<<"delete object"<<endl;
    delete(pupil);

    return 0;
}