CLASSES in C++ 

I can't stop looking at the chicken.....

Each of these 10 minute videos teach me more than one class

3:43 'variables that are made from class types are called objects' this line just made everything so much easy. Thank you.

Never in my Uni days have I seen such a good youtube tutor. Clear, succinct and everything seems so much simpler

Personal notes: -Members are private by default -Classes allow us to group variables into a user-defined type and also add functionality to those variables

Coming from a C background and just learning C++, I have had so many people try to explain the concept of classes, but until watching your video I have never fully understood it. Thank you so much.

Still waiting for that video on the back of a kangaroo!

Soooooo.... Udemy ads keep playing on these videos telling me to sign up for a C++ course on there... Pfff, wrong place to advertise guys lmao.

I like the way you explain things: very simple, very fast and most importantly-nothing outside the topic. Thanks.

I wish learning C++ was this easy. Having worked in C++ for 8 years in the past, it takes a long time to understand these concepts

*My takeaways:* Class is a way to group data and functionalities together 0:55

Just came by to learn more from my University C++ class, and I got to say I love how your video is succinct and concise. No extra flowery wording, just straight to the point. But you do so in a way where we can understand, so you have that perfect sweet spot in teaching. Appreciate it, and I'm glad I came across your channel.

I'm so glad you decided to ease up on the music, it makes it so much easier to concentrate on what you're saying.

Can't appreciate this series enough..excellent job...Best things is your videos aren't boring like other programming videos. Keep it up man. May god bless you.

So a class is essentially a struct that can have functions.

Thank you so much! Simple and to the point, yet has great explanations for the things he's doing. Nice work!

1:42 "You can probably start to *C* that this is getting a little bit messy" and that relates to how C doesn't have classes lmao

Explained it quickly and clearly. Saved me a lot of time. Thanks!

i like the way you are teaching people you are explaining everything in a higher speed you get the global vision of the subject instantly

It's always a relief to find somone that makes an impermiable thicket of jargon become meaningful.

Structs could have been mentioned as well in this video I guess, but not necessarily. Great job, as always! now to the other columns of OO programming! :)

This kind of format is definitely better for both teaching and learning.

I'm sure I'll recommend this course for a lot of people in the future! : D

Wow that was super simple and well explained. i think I'm gonna watch the whole series now lol

Cherno becomes teacher. 100% boys' attendance. *200%* girls' attendance. *H a n d s o m e*

In 3 min you've explained classes better than anyone and with examples of references too kudos

you are so good at explaining , thank you

Dude, your explanations are really impressive ... I like your KISS approach ...

Very clear and understandable video with relevant examples. Thank you.

found your tutorials very useful, well done

Or more simply, we can declare the move function inside the class and define it outside the class. class Player { public: int x, y; float speed; void Move(int xa, int ya); }; void Player::Move(int xa, int ya) { x += xa * speed; y += ya * speed; } int main(void) { Player player; player.x = 1, player.y = 2; player.speed = 3.4; player.Move(1, 2); }

This is like Roblox Studio Development where everything has a classname, with its own functions! Thanks for the tutorials! I am loving it!

These videos make these concepts so simple. I learn more from them than my professors lectures , and college c++ textook.

Wow, in 8 minutes you managed to teach me better than my actual cs teacher.

Perfect!!!!! How could you explain so simple. I read and watched videos but this is the most understandable way of this topic. Thank you so much.

thank u so much for providing this c++ series .

Hey Cherno, trying to get back into the programming world, a few questions popped into my head : what do you think about Data Oriented Design (vs. Object Oriented) ? How effective can one use and understand DOD vs OOP ? or should i just stick to procedural kind of programming, that is, use C++ only where needed and mostly stick to C ? I want to be able to understand the computer and what it is doing for performance reasons. What s the speed difference in those applications between the two designs ? there s just not many resources around to poke into.

you have a gift of explaining things precisely and without all the bullshit

This is the best explanation i've seen. every video/tutorial didn't help me. i tried for a few months but this is the only one i consider good

This vid is sooo helpful, so clear, so efficient ❤️

you are extremely coherent and i love it.

such a great video. i am beginner and i still understand all of the stuffs that you teach to us! Well done! Thanks :D

I've done many hobby programming projects over the years and yet I've stuck with C and never used object oriented features. However I have seen this and other examples of how it can allow doing the same things I'm doing in a lot less code. I'm doing graphics programming and so an image class makes sense as each image will have its own pixel array and width and height.

Super helpful!!! Love your videos!!!!

it wasn't until I watched this video did I finally understand exactly why OOP is easier. thanks to juxtaposing the function straight to the class function.

Thank you so much

this video really helped me understand Classes in C++ thanks cherno♥

C also has objects these are singular, structures, and arrays. Any of them could hold a pointer to a function and when u call a function through such a pointer that's exactly when things transition into OOP.

youtube sucks, it didn't recommend your video, while I was actually learning c++, now it's again making things interesting!

I learned so much from this video, the confusion and worry I had is gone.

You kinda look like Luke Steele from Empire of the Sun, you even have the same nationality. Keep up these golden tutorials man.

For a split second I thought there was a real chicken behind you just chillin there.

Genius. Learned more in this than in one whole lecture with my awful professor

Thanks for this great overview!!!

Great lesson! Thank you!

really helpful and resourceful.

MAN I LOVE THE CHERNO

Any thought you have, to build up an episode relative with Polymorphism ? if no, please ...

You just earned a sub.

my brain is exploding with understanding and I am very excited.

"there is nothing you can do with classes you couldn't do without them" Yeah, C is turing complete and doesn't have classes, but so is assembly or colouring squares on a piece of paper... Just because you could technically do all the same things doesn't mean that anyone on earth is actually capable of doing so :P

Commenting for your exposure. The best channel on RU-vid for C++ !!!

You sir, deserve more Subs.

There is one thing that classes do automatically for you that's quite hard and not fully achievable by C. And that's typesafety at compile time. You can typedef structs in C, but you can walk around the typecheck by accident or on purpose. C++ on the otherhand will always give you an compile error if you work with object's of different types, unless you provide a function or overwrite an operator that gives meaning to that combination of types.

thanķ you sir....and godbless you...give all human education about and learn programming c++...thank you

Great explanation fam thanks a lot

So easily understandable. Subbed

you are amazing man

Thank you for simplifying classes for me in c++

thank you so much, every other video doesn't explain it thoroughly.

C# is most certainly not just OO anymore its definitely well seated as a multi-paradigm language and has been for many years. With things like ReactiveX you have data-flow, with LINQ you have functional, both are those are heavily declarative but c# is obviously also heavily imperative, reactive is data driven but async/await sand the TPL is task driven, it has very mature reflection it can easily be written procedurally. It is basically the programming language equivalent of what English is to spoken language. It takes good ideas, finds really robust implementations and then improves on them.

Bohot hi Pyara Explanation. (Really Nice Explanation of the concept). Thank You

awesome teaching bro....

I've been watching this series since the first video and I have a question. I have been learning java and now want to start 2d game development with it but the thing is I don't know how to start. Is it right to look at videos online and copy their code to make your own games with it or is it better to solve it on your own and write your own code without looking at peoples tutorial.

C++ is called C++ because in C "++" was used to increase the value of variable by 1. So if C=1. C++ = 2. Which is to say, C++ is an incremented improved version of C.

Nice example of POD (Plain Old Data) type.

I've been using python and golang but honestly I am going to use C++ from now on. Literally every video you have with a "new" concept just leave me thinking "Wow that's really cool", C++ seems like the perfect language.

Great explanation m8!🔥

it's nice to have a background music in the tutorials so that you don't feel sleepy ; P

This was an awesome explanation! I have done a little bit with UE4 blueprints so it made some things easier to understand, so hopefully the transition to C++ won't be too brutal outside of perhaps the syntax. I have a question though, would there be any reason for someone to want to use a function outside of a class as opposed to nesting it inside a class to make it a method? Because from how I'm seeing it, by making it a method, its much easier to use your code and it eliminates the need to have to create reference variables and pass those reference variables around.

Simply awesome!

Can you show arrange me the right sequence of concepts (like Classes, Objects, Arrays, Pointers Constructors etc) to learn? Thankyou

A side note. If you were to print x or y in the state of the code at 8:03, you would get a completely unknown value. This is because, as he talked about in previous videos, when the variable is created it get assigned a memory address. We have no idea what previous data was in that memory address, it could be anything. Thus, if you print it without initializing it, most often, it will be a seemingly random integer value left over from the last variable (even from another program) that used it. As a result, ALWAYS initialize your variables people. ALWAYS.

I am making a game in which i am trying to keep my code tided up by using classes for every character but when it comes to two characters to interact i have problems accessing the other class

Very nice.. explicative, I just subscribed to your channel

Is there a reason why x, y and speed are separated even though they are all integer's, does it affect anything else or is it purely to make the code look cleaner/more tidy

Fantastic vid.

I had a negative reaction to this vid in the first couple of seconds because I'm a superficial moron but I was a fanboy by the end. What a great explanation and high quality vid, impressive

me: oh so a class is to organize data ? cherno: no... *sight* not data, its DADA

5:10 Can someone explain why did he take Player& player in move function as a one of the parameters.

thanks so much

What I don't understand is that if we want to organize data and functions, can't we just use a .hile file for such things. What do classes offer that h files don't other than a private section?

So, I get this video is on classes, but if I create a class, how would I get a return print that says, "Character has moved," when the umbra class variables have done their parts?

3:35 im a little bit confused I get that "player" is the name of the variable of type Player, but what value does this have?

0:56 Thank you! Now I ca. Pay attention to what you are saying. 😹😹😹

Great video

Thank you

group the variable into a type and add functionality to those variables.

Very didactic! Thank you!

HI Cherno, how does the keyword "new" come into picture here? Is instantiating enough? does it allocate space in memory for the variable?