kateolenya

#!/usr/bin/python3

class Phone:
    username = "Kate"                # public variable
    __serial_number = "11.22.33"     # private variable
    __how_many_times_turned_on = 0   # private variable

    def __init__(self):              # constructor
        print( "The Phone object was created" )
        self.__turn_on()

kateolenya

#!/usr/bin/python3

class Phone:
    number = "111-11-11"
    def print_number(self):
        print( "Phone number is: ", self.number )

my_phone = Phone()
my_phone.print_number()

kateolenya

#!/usr/bin/python3

class Phone:
    username = "Kate"                # public variable
    __how_many_times_turned_on = 0   # private variable

    def call(self):                  # public method
        print( "Ring-ring!" )

    def __turn_on(self):             # private method

kateolenya

#!/usr/bin/python3

class Phone:
    username = "Kate"                # public variable
    __serial_number = "11.22.33"     # private variable
    __how_many_times_turned_on = 0   # private variable

    def call(self):                  # public method
        print( "Ring-ring!" )

kateolenya

#!/usr/bin/python3

class Phone:
    def __init__(self, number):      # magic method / inititalizer
        print( "The Phone object was created" )
        self.number = number

    def __lt__(self, other):         # magic method / rich comparison
        return self.number < other.number

kateolenya

#include <iostream>
using namespace std;

class Contact
{
    private:
        int mobile_number;           // private variable
        int home_number;             // private variable
    public:
        Contact()                    // constructor

kateolenya

#include <iostream>
using namespace std;

class Contact
{
    private:
        int mobile_number;           // private variable
        int home_number;             // private variable
    public:
        Contact()                    // constructor

kateolenya

#include <iostream>
using namespace std;

class Contact
{
    private:
        int mobile_number;           // private variable
        int home_number;             // private variable
    public:
        Contact()                    // constructor

kateolenya

#include <iostream>
using namespace std;

class Contact
{
    private:
        int mobile_number;           // private variable
        int home_number;             // private variable
    public:
        Contact()                    // constructor

kateolenya

#include "private_var.h"
#include <stdio.h>

int main()
{
    struct Contact * Tony;
    Tony = create_contact();
    // printf( "Mobile number: %d\n", Tony->mobile_number);
    // will cause compile time error
    delete_contact( Tony );