Chain of Responsibility Pattern: 🔗 Improve Code Flexibility ♻️ & Maintainability 🛠️

Article - https://codewitharyan.com/system-design/low-level-design Structured DSA (Basics to Advanced) Practice - https://codewitharyan.com/cwa-sheet/practice-problems My Uber Interview Experience - https://youtu.be/VGYJIX5yl74 My Coinbase Interview Experience - https://youtu.be/IjOC18b_dCw My American Express Inteview Experience - https://youtu.be/c3UhYefhnqk My JP Morgan & Chase Interview Experience - https://youtu.be/-jacTpY57no ..... more coming soon (along with LLD course on Second Channel) Most Frequently asked questions based on Leetcode Premium - https://codewitharyan.com/cwa-sheet/aryan-dsa-master-sheet LLD Syllabus which we gonna cover - https://codewitharyan.com/system-design/low-level-design Let's Connect: Main Channel for DSA & Live Streams - https://www.youtube.com/@ARYANMITTAL X Twitter : https://x.com/aryan_mittal007 📱Discord (Join Community) : https://discord.gg/vwUAz2pEHZ 📝Linkedin (About me): https://www.linkedin.com/in/aryan-mittal-0077 📸 Instagram: https://www.instagram.com/codewitharyanbhai 📱Telegram : https://t.me/aryan_mittal_group 🤖 Github: https://github.com/aryan-0077 ✨ Timelines✨ 00:00 - Introduction – Course overview, interview insights, and success strategies. 00:30 - Chain of Responsibility Concept – Relay race analogy and leave request example. 02:00 - Pitfalls of Nested If-Else – Scalability issues in approval logic. 03:00 - Chain of Responsibility Pattern – Creating a sequential approval chain. 06:01 - Comparison with State Pattern – Key differences and use cases. 07:24 - Approvals Implementation – How approvers process and pass requests. 10:00 - Main Code Walkthrough – Structuring an approval chain (supervisor, manager, director). 13:10 - Benefits & Use Cases – Loose coupling, modularity, and scalability. 15:09 - Conclusion ✨ Hashtags ✨ #programming #Interviews #leetcode #faang #maang #datastructures #algorithms #low-level-design #lld-by-aryan #designpatterns #statedesignpattern #designpattern #javadesignpatterns #statepattern #softwaredesignpatterns #designpatternsjava #statedesignpatternjava #designpatternstutorial #whataredesignpatterns #statepatternjava #statedesignpatterninjava #statedesignpatternc++ #observerdesignpattern #ruststatedesignpattern #designpatternsexplained #chainofresponsibilitydesignpattern #statepatternc#designpattern