Flipkart Machine Coding Round: FlipMed | LLD + Code Walkthrough

In this video, we solve a Flipkart Machine Coding Round problem — designing and implementing FlipMed, a doctor's appointment booking system. ✨ Key highlights: ✅ Service layer for business logic ✅ Repository pattern with HashMap as an in-memory database ✅ Strategy Design Pattern to dynamically sort available doctors by: Start time Rating ✅ Waitlist feature: add patient to waitlist if doctor's slot is already booked ✅ Output & clean Java code walkthrough 🎯 What you’ll learn: 1. Structuring real-world machine coding round projects 2. Designing clean, modular layers: service, repository, data 3. Applying Strategy Pattern in practice 4. Handling slot conflicts with a waitlist approach 📌 More low level design & machine coding problems: 🌐 https://nailyourinterview.org ⏱️ Timestamps: 0:00 - Intro 0:10 - Requirements 6:30 - Entities 9:18 - Output 12:35 - Code Explanation 📚 Targeted hashtags: #faang #maang #flipkart #machinecoding #FlipMed #doctorAppointmentSystem #lowleveldesign #systemdesign #java #cleancode #backendengineering