#include <EEPROM.h>

class User
{
  private:
    short _login = 0;
    short _password = 0;

    short _oldPassword1 = 0;
    short _oldPassword2 = 0;

  public:
    short GetLogin()
    {
      return _login;
    }

    short GetPassword()
    {
      return _password;
    }

    void SetLogin(short login)
    {
      _login = login;
    }

    void SetPassword(short password)
    {
      _password = password;
    }
};

void setup()
{
  Serial.begin( 9600 );
  User user = User();
  user.SetPassword(11);
  user.SetLogin(12);

  EEPROM.put(0, user);

  User user2 = User();
  EEPROM.get(0,user2);
  Serial.println(user2.GetPassword());
}

void loop()
{

}