C++ Tutorial 20-1 - Classes and Object-Oriented Programming (Part 1)
Why Stack Overflow recommends it
Stack Overflow users mostly reference it as the tutorial they were following when they hit compile or linker errors on their first C++ class, and occasionally point to it as a way to learn classic OO programming.
Recommended by 1 people across 1 different months, 2014 to 2019.
What it is
A beginner C++ screencast that shows how to build a class using a separate header and .cpp file. It covers a default constructor, an overloaded constructor, private member variables, and creating objects with either constructor. It is part 1 of a two-part lesson from the programminghelp.org channel.
What people said
Recommends kmiklas · 2019-04 · Stack Overflow · on “What is a JavaScript instance?”
Simply put, in object-oriented programming, there are classes and objects. When you instantiate, or create an instance of a class, you get an object. For example, take the following Car class: function Car(myVin) { this.vin = myVin; } let myHonda = new Car(“24A6733HJ42983C55”); let myFord = new Car(“JJ67100473KL93228”); let momsMinivan = new Car(“JF293HJL679904611”); You just instantiated the Car class three times. Each is an instance. ES2015 (aka ES6) introduces the class keyword, and constructors: class Car { constructor(myVin) { this.vin = myVin; } } This gets much more involved. IMO, If you really want to learn OO programming, it’s really best to learn the C++ way first. There you’ll see
Cites user2791464 · 2014-02 · Stack Overflow · on “Error compiling c++ tutorial (programmingHelp.org)”
I am following tutorials from [this video] . It seems I have encountered an error I can't resolve by myself. The goal is to create a class called BMI, which takes users weight name and height and prints them out.. I'm trying to compile it using g++, and I suspect I'm not doing it right. Usually I just do g++ filename.cpp, as I should in this case? The tutorial is originally in that Microsoft ....thing, I don't know it's name. Sorry Thank you, the code is attached below. The error /tmp/ccRcewk3.o: In function `main': Main.cpp:(.text+0x7d): undefined reference to `BMI::BMI()' Main.cpp:(.text+0x89): undefined reference to `BMI::getWeight() const' Main.cpp:(.text+0x9a): undefined reference to `BMI::g
Cites cppnewb · 2014-02 · Stack Overflow · on “msvr100.dll free (void * pblock)”
Hello there stackOverflow. I am a noob when it comes to c++ and today i tried to compile my first program including classes. This ofcourse gave me an error and i don't really know what i did wrong since its my first time compling a class program :P i tried to google it and it said something about either the DLL.'s are building wrong? (i got it all in debug mode, so it can't be that). So the other option is: i might be freeing the memory wrongly or something like that, can anyone explain where i did wrong? i tried to compare the code to the tutorial i found. But that didn't help. (the tutorial im referring to is: [this video] ). The error i'm getting is void __cdecl _free_base (void * pBlock) { in
Cites Michael Horojanski · 2016-12 · Stack Overflow · on “iostream file not found”
I have just started to learn Object Oriented at C++. In my first lesson I received that error "iostream file not found" . I use Fedora 24 and atom editor for coding. For build I use that command g++ main.cpp -o a I also installed atom's plugin gpp-compiler My main file is: #include <iostream> #include <string> #include "BMI.h" using namespace std; int main(){ string name; int height; double weight; cout << "Enter your name: "; cin >> name; cout << "Enter your height (in inches): "; cin >> height; cout << "Enter your weight: "; cin >> weight; BMI a; // BMI Student_1(name, height, weight); return 0; } when I run main file without BMI object it works. But when I added BMI object in the main fun