Prototype Design Pattern Explained With Python Example Low Level Design Lesson 23

Summary

Imagine you're playing chess and want to save the current board to try a different move. Do you recreate every piece from scratch ... What if your app accidentally creates 100 Logger objects writing to the same file? Bugs, duplicates, chaos. Singleton How do weather apps send live updates to millions of users at once? That's the Observer You open a photo gallery with 1000 images. Does it load ALL of them at once? No! It loads each image only when you actually ... Driving shows 20 min ETA, walking shows 1 hour, cycling shows 40 min... same destination, different behaviour based on ... You hit "Next" on Spotify and the next song plays. But how does it know which song comes next? That's the Iterator Diwali sale pe 30% off, Holi pe 20% off, normal days pe 5% off... are you writing if-else for every discount? There's a better way! Imagine if every airplane at an airport directly communicated with every other airplane. Total chaos! That's why we have a Control ... Ever wondered how Undo/Redo works in a text editor? That's the Memento Opening a file, parsing it, closing it... the steps are always the same, only the parsing logic changes. Why rewrite everything for ... You walk into a restaurant and just say "Pizza" or "Burger". You don't go to the kitchen and make it yourself. The restaurant ... Login, fetch profile, get orders... your frontend is calling 3 different services for one page load. What if there was ONE simple entry ... i5 processor, 8GB RAM, black color, 15 inch screen... you customize your laptop step by step and hit "Build". That's exactly how ... Hello, I am Neeraj Mahapatra, Code: github.com/TestZucky/creational_design_patterns Master the