class

#include <iostream>
#include <conio.h>
 
using namespace std;
 
class Human
{
private:
char* name ="name";
char* surname="surname";
 
public:
void show()
{body};

#include <iostream>
#include <string>
using namespace std;
 
class Human {
private:
    string name;
    string surname;
public:
    Human(string n,string s) : name(n), surname(s) {};
    Human() {
        cout<<"Vvedite imya: ";
        cin>>name;
        cout<<"Vvedite familiy: ";
        cin>>surname;
    }
    void get_info() {
        cout<<name<<" "<<surname<<endl;
    }
};
 
int main() {
    Human first;
    Human second("Alex","Ivanov");
    first.get_info();
    second.get_info();
    system("pause");
    return 0;
}

#include <iostream>
#include <string>
using namespace std;
 
class Man
{
 
private:
    string name_1;
    string name_2;
    int years;
 
public:
    Man(string a = "name", string b = "surname", int y = 0) : name_1(a), name_2(b), years(y) {}
 
    void show()
    {
        cout << "Man info:" << endl;
        cout << name_1 << endl;
        cout << name_2 << endl;
        cout << years << " years" << endl;
    }
};
 
int main()
{
    Man man_1("Sidorov", "Ivan", 24);
    Man man_2;
    
    man_1.show();  // Sidorov Ivan 24
    man_2.show();  // name surname 0
}

#include <iostream>
#include <string>
 
class Human
{
  public:
    Human() : surname(), name(), sex(), age()
    {}
    Human(const std::string &surn, const std::string &n, const char s, const int a) :
        surname(surn), name(n), sex(s), age(a) {}
 
    // get-методы
    std::string getSurname() const { return surname; }
    std::string getName()    const { return name; }
    char getSex()            const { return sex; }
    int getAge()             const { return age; }
 
    //set-методы
    void setSurname(const std::string &s) { surname = s; }
    void setName(const std::string &n)    { name = n; }
    void setSex(const char s)             { sex = s; }
    void setAge(const int a)              { age = a; }
 
    // прочие методы
    void print() const
    {
        std::cout << "Name: "   << surname << " " << name
                  << "\nSex:  " << sex
                  << "\nAge:  " << age << std::endl << std::endl;
    }
 
  private:
    std::string surname, name;
    char sex;
    int age;
};
 
std::ostream & operator<< (std::ostream &out, const Human &h)
{
    out << h.getSurname() << " " << h.getName() << '\n'
        << h.getSex() << '\n'
        << h.getAge() << '\n';
    return out;
}
 
std::istream & operator>> (std::istream &ist, Human &h)
{
    std::string surname, name;
    char sex;
    int age;
    ist >> name >> surname >> sex >> age;
    h.setSurname(surname);
    h.setName(name);
    h.setSex(sex);
    h.setAge(age);
    return ist;
}
 
int main()
{
    Human h("Ivanov", "Ivan", 'm', 23), t("Ivanova", "Maria", 'w', 12);
    h.print();
    std::cout << t << std::endl;
    Human z;
    std::cin >> z;
    z.print();
}