Low Level Design + MultiThreading Course - Memento Design Pattern Explained: 📝 Preserve Object State 💾 & Undo Changes 🔄

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 & Overview – Course insights, interview prep, and design pattern focus. 00:29 - Memento Pattern Introduction – Overview of the final behavioral design pattern. 00:41 - Text Editor Undo Example – How backup and undo functionality work in text editing. 01:00 - Backup Challenges & Multi-threading – Issues with cluttered logic and thread conflicts. 02:29 - Externalizing State with Memento – Storing object states as snapshots for easy recovery. 03:02 - Bad Backup Practices – Flaws in traditional state management and the need for snapshots. 04:00 - Manual Backup Complexity – Problems with redundant logic and synchronization challenges. 05:13 - Memento-Based Backup – Transitioning to a centralized, efficient state-saving approach. 06:34 - History Manager & Snapshots – Managing and restoring states through a history manager. 08:00 - State Restoration Mechanism – Retrieving previous states using saved snapshots. 09:00 - Managing the History Stack – Using push/pop operations for state tracking. 10:15 - Integrating Editor, Memento & Manager – How components interact in the pattern. 11:00 - Text Editing & Snapshot Saving – Demonstrating input handling and state storage. 12:00 - Undo & Redo Implementation – Executing undo/redo using stored snapshots. 14:00 - Production Code Best Practices – Importance of modularity in real-world applications. 15:00 - Redo Stack & State Clearing – Managing redo operations and clearing old states. 16:00 - Encapsulation & Recovery Benefits – How snapshots improve data integrity. 17:00 - Real-World Applications & Multi-threading – Use cases in gaming, transactions, and concurrency. 17:56 - Conclusion & Final Recap – Key takeaways and closing thoughts on the memento pattern. ✨ Hashtags ✨ #programming #Interviews #leetcode #faang #maang #datastructures #algorithms #low-level-design #lld-by-aryan #mementodesignpattern #mementopattern #designpatterns #designpattern #mementodesignpatternexample #javadesignpatterns #mementodesignpatterninjava #mementopatternexplained #mementodesignpatternexplained #mementodesignpatternjava #softwaredesignpatterns #designpatternsinjava #designpatterntutorial #mementopatternjava #designpatternsexplained #statedesignpattern #behavioraldesignpattern #designpatternstutorial #designpatternsjava