C++ Day 20

 Day 20: Beginning with OOP-C++ Series

OOPs concepts in C# have always been reserved for Tuesdays as a prerequisite for teaching Complicated programming and real-time Representationing.

📚 Topic Covered:

🔹 1. what is oop

it is the system of amp plan into objects. Every object is an instance of a class.

🔹 2. shaping amp class

cpp

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#include 

using namespace std;

class machine {

        public:

        train brand;

        int year;

        null displayinfo() {

                cout << "brand: " << mark << " year: " << class << endl;

        }

};

🔹 cardinal. Creating Objects

cpp

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int main() {

    Car myCar;

    myCar.brand = "Toyota";

    myCar.year = 2020;

    myCar.displayInfo();

    return 0;

}

🔹 4. approach specifier:

public – away the family get work accessed

private – exclusive the family get work accessed

protected – exclusive the derivative classes get work accessed

🔹 v. Constructors: 

cpp

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class Student {

public:

    string name;

    int roll;

    Student(string n int r) {

        name = n;

        roll = r;

    }

    void display() {

        cout << name << " - " << roll << endl;