Iterator Pattern Tutorial 🔄 | Iterate Collections Like a Pro ⭐

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: What to Expect 00:28 – Understanding the Iterator Pattern 02:04 – How Playlist Iterators Work 03:01 – Why Traditional Approaches Fail 04:04 – Defining the PlaylistIterator Interface 05:02 – Implementing Shuffle & Favorites 06:01 – Adding Custom Iterators 07:30 – Decoupling with Iterator Implementation 09:01 – Using Java’s Built-In Iterator 10:21 – Key Use Cases & Interview Insights ✨ Hashtags ✨ #programming #Interviews #leetcode #faang #maang #datastructures #algorithms #low-level-design #lld-by-aryan