kateolenya

#include <iostream>
using namespace std;

class One_value {
    public:
        int a;
        void set_value (int arg) {
            a = arg;
        }
        // Overload + operator

kateolenya

#include <iostream>
using namespace std;

int main () {
    int  a = 5;
    int  b = 10;
    char c = 'c';
    char d = 'd';
    bool t = true;
    bool f = false;

kateolenya

#include <iostream>
using namespace std;

template <class T>
class Two_values {
    T a;
    T b;
    public:
        Two_values (T first_arg, T second_arg) {
            a = first_arg;

kateolenya

#include <iostream>
using namespace std;

template <class T>
void custom_add (T a, T b) {
    cout << "Template result = " << a + b << endl;
}

int main () {
    int   p = 1;

kateolenya

#include <iostream>
using namespace std;

template <class T>
class Two_values {
    T a;
    T b;
    public:
        Two_values (T first_arg, T second_arg) {
            a = first_arg;

kateolenya

#include <iostream>
using namespace std;

void custom_add(int a, int b) {
    cout << "Int result = " << (a + b) << endl;
}

void custom_add(int a, int b, int c) {
    cout << "Triple int result = "  << (a + b + c) << endl;
}

kateolenya

#include <iostream>
using namespace std;

class Device {
    public:
        virtual void turn_on() = 0;
};

class Laptop: public Device {
    public:

kateolenya

#include <iostream>
using namespace std;

class Device {
    public:
       void turn_on() {
            cout << "Device is on." << endl;
        }
        virtual void say_hello() = 0;
};

kateolenya

#include <iostream>
using namespace std;

class Computer {
    private:
        void turn_on() {
            cout << "Computer is on." << endl;
        }
};

kateolenya

#include <iostream>
using namespace std;

class Device {
    public:
        Device() {
            cout << "Device constructor called" << endl;
        }
};