finals part one

#include <iostream>

using namespace std;

class Person
{
public:
    Person() {count++;}
    friend istream& operator>>(istream &,Person &); //operator overlaoding example
    friend ostream& operator<<(ostream &, Person &); //operator overloading example
    string getName() { return name; }
    int getAge() { return age; }
    Person &showName(); // this pointer example
    Person &showAge(); //this pointer example
    static int getCount() { return count; } // static int get function
private:
    int age;
    string name;
    static int count; //static int
};
int Person::count=0; //static int

ostream& operator <<(ostream &output,Person &p)
{
    output << "name: "<<p.getName()<<endl<<"age: "<<p.getAge()<<endl;
    return output;
}

istream& operator>>(istream &input, Person &p)
{
    cout<<"enter age: ";
    input >> p.age ;
    cout<<"enter name: ";
    input >> p.name;
    return input;
}

Person &Person::showName()
{
    cout<<"using this pointer.."<<endl;
    cout<<"name: "<<getName()<<endl;
    return *this;
}
Person &Person::showAge()
{
    cout<<"age: "<<getAge()<<endl;
    return *this;
}

int main()
{
    Person p;
    cout<<"please enter personal information.."<<endl;
    cin>>p;
    cout<<"##############################"<<endl;
    cout<<p;

    cout<<"##############################"<<endl;
    p.showName().showAge();

    cout<<"##############################"<<endl;
    cout<<"how many person has got created by now: "<<Person::getCount()<<endl; // you get directly static int
    return 0;
}