System Design Full Course - Strategy Design Pattern Explained with Real-World Example | Design Patterns in LLD

Welcome to Lecture 8 of the Ultimate Low-Level Design (LLD) Series by Coder Army! Second week for #lowleveldesign #systemdesign #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. *Feeling confused about Strategy Design Pattern? You’re not alone.* In this video, we break it down step-by-step with a *real-world example* that makes everything click. You’ll learn: ✅ What is the Strategy Design Pattern ✅ When and why to use it ✅ How to implement it using clean OOPS principles ✅ A practical use-case that you can relate to and code along with it This pattern is a key part of many *system design and low-level design interviews, and mastering it will help you write more **extensible and maintainable code*. 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 03:01 Robot Example Problem 04:08 Why Inheritance is Bad 12:04 Defining Strategy Pattern 12:26 Revisiting Robot problem 21:05 Revisiting Definition 23:05 Code for Strategy Pattern 25:40 Using more less inheritance 27:40 Standard UML for Strategy Pattern 29:26 Real life example 32:05 Conclusions #StrategyPattern #DesignPatterns #OOPS #SystemDesign #LLD #LowLevelDesign #SoftwareEngineering #JavaDesignPatterns #InterviewPrep #DSA #OOPS #SOLID