OOP Constructors - Types of Constructors You Need to Know (Basics to Mastery)

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👉In this video, you will learn about constructors in object-oriented programming, starting with an approach without constructors and then moving on to the different types of constructors, including default and parametrized constructors.
We'll also cover six important rules to keep in mind when working with constructors, and how non-member functions are used.
To reinforce your learning, I'll provide an example for you to develop logic, along with a task to practice.
I'll also highlight important tips and errors that can occur when working with constructors.
In the end, there is a special surprise for you.
Watch the entire video to gain a comprehensive understanding of constructors and their role in object-oriented programming.
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Contents:
00:00 - Introduction
01:31 - Approach without constructors
03:34 - Example for you to develop logic
08:22 - Default Constructors
10:04 - 6 Important Rules About Constructors
16:06 - Parametrized Constructor
20:31 - Non-Member Functions
22:14 - Task for You to Practice
23:23 - Important Tips and Errors That Can Occur
27:24 - Special Surprise & Gift for You
Related videos to watch:
Operator overloading: • C++ Operator Overloadi...
Learn more about constructors: • C++ OOP (2020) - What ...
Copy constructors: • C++ Copy constructors ...
Destructors: • Destructors in Program...
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[@CodeBeauty]

📚 Learn how to solve problems and build projects with these Free E-Books ⬇ C++ Lambdas e-book - free download here: bit.ly/freeCppE-Book Entire Object-Pascal step-by-step guide - free download here: bit.ly/FreeObjectPascalEbook 🚀📈💻🔥 My Practical Programming Course: www.codebeautyacademy.com/ Experience the power of practical learning, gain career-ready skills, and start building real applications! This is a step-by-step course designed to take you from beginner to expert in no time! 💰 Here is a coupon to save 10% on your first payment (CODEBEAUTY_YT10). Use it quickly, because it will be available for a limited time.

[@Relaxingmusic-nk7py]

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[@874D8]

I love this serie. It is so thorough and no time is wasted.

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I already love your lessons about C++ but with this addition I think it just became perfect!

[@CodeBeauty]

Much appreciated, thank You.

[@nv9usb381]

I have never seen such a good, in-depth explanation before. Programming classes used to make me anxious before I discovered your channel, but now I understand everything and I am looking forward to them. I wish I had found your channel earlier because your explanations are so clear. You are absolutely right when you say that programming isn't hard.

[@CodeBeauty]

Thank You, it means a lot to receive positive feedback ❤

[@Stisse12]

This is the best tutorial on Constructors I seen so far. Seen 4 videos on the topic, but noone explain why and a good example where to use it.

[@deneristargerian6755]

Thanks to your videos I finally understand programming, and I even got internship job. Thank you Saldina, thank you ❤❤

[@CodeBeauty]

That's so good to hear, keep learning ❤

[@salihbarknakkaya8101]

Another day, another video for me, lets have all the enjoy and love coding again! And of course as before, greetings to the best teacher ever for these beautiful videos!

[@milkamilkica1935]

amazing as always! thank you saldina

[@CodeBeauty]

My pleasure!!

[@GSD549]

Saldina you are simply perfect❤️

[@CodeBeauty]

that's so nice of you

[@anwar6971]

Thanks for good explanation.

[@CodeBeauty]

You are very welcome

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Much much needed video.

[@CodeBeauty]

much much thank you ❤

[@gollygobih6527]

Your content is the best. All the programming I've learned, I learned it from you. Thanks Saldina

[@phoebewell3653]

Finally, you are back. Great video, I was waiting for this!

[@CodeBeauty]

More to come!

[@jamalkhan_]

What a coincidence , I was taught about this concept just today in the University.

[@CodeBeauty]

am I master of timing or what? 😉

[@mohankumarparamas]

your explanation of constructor is clear and beautiful

[@CodeBeauty]

🥰🥰

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I love your lessons. I always understand everything 🚀🚀

[@CodeBeauty]

Glad you like them!

[@dastin7276]

Your instruction is consistently excellent. Thank You.

[@user-jp5ci5tl5n]

your vedios are just so amazing and thorough, and you have the perfect small sense of humour 🤭 which makes my mood amazing. thank you saldina. i love you.

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[@CodeBeauty]

Love for Pakistan ❤ 🇵🇰

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Thank you trillions of times! Your explanation was incredibly clear and easy to understand. I really appreciate your help!

[@CodeBeauty]

You're very welcome! 🥰❤️

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Thank you, so clear and beautiful as always!

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thank youuu, u explain things really well!

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Fantastic!

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How is the course ?

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Hvala ti puno, jako olesnitelno je kad ima ko da objasni. Top si!

[@CodeBeauty]

Hvala tebi na komentaru ❤️

[@asidadon9228]

Hi Saldina , i'm learning so much from your videos, you are the best! Thanks

[@CodeBeauty]

I'm happy to hear that ❤️

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saldina you are the perfect teacher.

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Glad I didn't missed the last part 😄

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wish this video has more views so mire people can understand in depth.

[@CodeBeauty]

Share it with your friends then. Together, you can learn to code a start a great tech company 🥰

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Thank you for all of your hard work! I am so excited for your course to come out, I've been saving up so I can purchase it on day one. Would you mind telling us if its going to cover anything about c++ builder?

[@CodeBeauty]

Thank you so much for your support and enthusiasm for my course, it means a lot! For this course we won't cover C++ builder because it is paid software and i wanted to use only the free tools so that it is accessible for everyone and that's why we will use Visual Studio. I promise the skills you'll learn will be useful in different programming languages and environments. Plus, it won't be expensive and since I cannot put in words how much I appreciate you saving up for my course here is link where you can subscribe and get a discount when I publish it: bit.ly/SimplifyingCoding. See you there

[@davidmorris2848]

@@CodeBeauty Thank you for getting back with me. I like c++ builder but I would prefer to learn Visual Studio, so that is exciting. I already signed up, but I encourage everyone to do the same. 😁

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Thank you

[@madhusankawijerathne8435]

Thank you!!

[@oxamic9953]

THANKS!

[@yusraazrademirel2195]

THANK YOU

[@othmanghandour3445]

You're great teacher, really adorable explanation, can we get another video about Initialization lists, Delegating Constructors, Copy Constructors, also constructors type...............it never ends 😭😭

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Awesome video😎😎👍👍

[@HaroldSchranz]

Awesome!

[@CodeBeauty]

😁❤️

[@AlphaRocketLeo]

Really Good Explaination ❤

[@CodeBeauty]

Thanks you, it is truly heartwarming to know that me sharing my knowledge and passion for programming helped you. Teaching and helping others is incredibly rewarding, and it gives me a sense of purpose and fulfillment that can't be matched ❤.

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Again learn with brain beauty 😍

[@CodeBeauty]

❤

[@abelashenafi6291]

Great content. My question is which keyboard shortcut have you used @ 25:17 to comment the block of code? Thanks the content is amazing

[@moeezabdul2000]

Hey, Saldina could make a C++ videos on Desing Patterns? How they Work? What is the Purpose of them? Why we do we need them? How we can implement them into our applications. BTW, Great Video, LIKED!

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It's work me alot when i go for interview

[@CodeBeauty]

Glad to help, my pleasure ❤

[@oyeenamdev8867]

Loved the way you teach :) thanks @CodeBeauty

[@CodeBeauty]

Glad it was helpful!

[@bashiraddean-mufarreh]

I completed a simple project from what I learned during my follow-up to your lessons, and I sent a copy of it to your mail. Please take a look, for help, advice and your opinion. Thank you from Yemen

[@riachii3333]

hello saldina! thank you for the videos, i have a question please explain to me! lets say i made a user info constructor like you did in the video, but instead of entering my own parameter values like name and last name, i want the users themselves to enter their info into the parameters. how can i do that? please explain to me!!

[@gower1973]

It’s just printing out whatever’s in the uninitialised memory, I was surprised it ran the first time, I thought it would throw out a null reference exception, but it probably worked because of the default constructor

[@CodeBeauty]

yes, you are absolutely correct, thanks to the default constructor everything works fine.

[@codingSparrow143]

@CodeBeauty I have a question. I tried to run the first program without initializing a 'test' varoable and didn't get any error. why is that? at 7:43 in the video. thanks in advance.❤❤❤

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❤çox sağ olun

[@aaronsj80]

I kind of miss programming in C++. I'm a full time developer and we don't use C++ at my company. I have my own home projects in C++ that need working on, I just never feel like it after spending the day working on other people's code, so I go months at a time without working on the projects I'd like to finish. BTW, how's the kitten doing?

[@CodeBeauty]

I completely understand how you feel! When I used to work as a programmer for other companies, I often found myself too exhausted to work on my personal projects outside of work hours. It can be tough to stay motivated when you've spent all day working on code, but i would strongly encourage you not to give up on your passion for C++. Try dedicating some time, an hour per day or whatever you find comfortable to spare it for something that's making you happy because, in the long run, it's more important than any material gain. As for the Miso, he's currently sleeping in the box next to heavenly cozy pillow, go figure 😊. He is regular attraction on my IG so check it out here instagram.com/truecodebeauty/

[@aaronsj80]

@@CodeBeauty Unfortunately I wasn't able to scroll far in your Instagram before it asked me to log in and I'm not really interested in making an account. I'm glad to hear the kitten is doing well though. It's always good to know that pets are happy.

[@user-fm2tm8xc8e]

but i'm getting value of test without initializing it in local variable..? tell me please...?

[@dastin7276]

Impressive and certainly very useful but to pass a strict Turing test (it seems) more advancement is required.

[@CodeBeauty]

In order to create a machine that will pass the Turing test, you first need to have a good understanding of basic programming concepts, and be able to grasp them in depth through practice. Afterwards, it is essential to upgrade your knowledge with an understanding of artificial intelligence, machine learning algorithms, natural language processing techniques, and other related concepts. You have made a good decision by choosing C++ for this endeavor, as it is a high-performance programming language that is utilized in many complex systems, including artificial intelligence. ❤

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where can we find your practical course?

[@CodeBeauty]

The course is out, and you can find it here: www.codebeautyacademy.com

[@khang-0]

I have a question!! when you invoke "void GetUserInfo(User u)" function, you pass by value, right? And you don't have copy constructor. How that can work?

[@CodeBeauty]

You need copy ctors only if your class has pointers. Otherwise, it can be copied even without a copy constructor 😊

[@khang-0]

@@CodeBeauty

[@ali_youtube_user_7351]

Using uninitialized variables causes UB (Undefined Behavior). This becomes dangerous when it comes to uninitialized pointers because it could cause segmentation fault (don't forget nullptr :))

[@bhargav3350]

please complete all c++ topics,

[@CodeBeauty]

Will do, no worries. I'm spending all of my time in creating educational programming content and most of it you can find for free here on my youtube channel, and there is a lot more to come. In addition, my guess is that you will be happy to learn that I'm also working on something very special, my own practical programming course where I'm walking you through most important programming concepts and teaching you how to implement them on real application. It will be packed with practical knowledge, so go ahead, use this link bit.ly/SimplifyingCoding to leave me your email and as a token of my appreciation, I will send you a special discount when the course is launched. ❤️

[@maheshvelugula8418]

please we need videos about CPP REST SDK ---(client & server) 🙃

[@CodeBeauty]

as soon as there is enough demand I will, for sure, but in the meantime I'm trying to focus on topics that are most requested by my community. 🤞

[@rwagasanaelisa1379]

thanks for your toturial but we need more examples to understand it better because we are begginners

[@AhmedRaza-ty7zq]

7:50 the test variable is not initialized in the main().🤔🤔

[@leep7562]

how long has it been 🥺🥰

[@CodeBeauty]

Too long, I know, but it was for good reason. I'm working on my Practical Programming course and if you liked my content so far than believe me when I tell You that You will enjoy this. Subscribe here bit.ly/SimplifyingCoding not to miss it and to also get nice discount soon when I publish it. Cheers

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😄😄😄😇

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[@ayan92adak]

you could have sent the "User" using const ref

[@CodeBeauty]

Yup, const would ensure that the function will not change it, just print its value

[@AhmedRaza-ty7zq]

5:17 This program will not print the first name, last name, age, and Email.

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ok

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Glad to see some quality content after the shorts lol

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all work and no fun is bad for health 🤭

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Hahahaha, I'm 175cm, where do I stand on the charts 😅😁

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reason is that you have not initialized

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there will be errors

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[@CodeBeauty]

Thank You ❤

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wome coding? things you see online on youtube.

[@CodeBeauty]

Well, if women shouldn't code, who's going to fix all the bugs in your code? 😁

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You are completely out of focus on all four corners and what you type seems to be fuzzy at best. Thanks. Sorry.....My bad....Only up to 3:52 is fuzzy....Now it seems ESP has made it focus after all. Thanks again for your work.

[@danny12345]

Thank you

[@CodeBeauty]

You're welcome 🥰