System Design Full Course - OOPs Real-World Examples | OOPs Pillars | Abstraction | Encapsulation

Welcome to Lecture 2 of the Ultimate Low-Level Design (LLD) Series by Coder Army! Today is Day 2 for #8weeksLLdchallenge. We are doing 8 weeks challenge and going to complete the whole course within the duration with quality content on Youtube. Let’s learn LLD like never before and attain advance level mastery on this subject. In this video, we dive into the *evolution of programming* and lay the foundation for mastering *Object-Oriented Programming (OOP)* — a core pillar of Low-Level Design. *What’s Covered in This Video:* - Brief history of programming - Procedural vs OOP explained - Real-world understanding of OOP pillars - Deep dive into *Abstraction* & *Encapsulation* Whether you're preparing for system design interviews or want to understand how real-world software is structured — this is where you begin. *Subscribe now* and continue your LLD journey with us — the right way! Join Coder Army Whatsapp Group: https://whatsapp.com/channel/0029Va6H0tbHVvTbcuT99Y1f Code and Notes: Github : https://github.com/adityatandon15/LLD Connect with Aditya Tandon Instagram : https://www.instagram.com/adityatandon2 LinkedIn : https://www.linkedin.com/in/adityatandon2 Twitter : https://x.com/adityatandon02 Timestamps 00:00 Introduction 01:15 History of Programming 07:26 Why OOPs matter 11:35 OOPS vs Procedural Programming 20:24 Ideology of OOPS 21:14 Pillars of OOPS 22:00 Abstraction 27:50 Code for Abstraction 33:55 Concluding Abstraction 35:53 : Encapsulation 44:00 Code for Encapsulation #OOP #LowLevelDesign #Abstraction #Encapsulation #LLD #SystemDesign #SoftwareEngineering #TechInterviews #CoderArmy #CodingConcepts