✅ MASTER PREREQUISITES FOR ANY SOFTWARE DEVELOPER BEFORE LEARNING A NEW DOMAIN (The Ultimate Developer Checklist – Must Read Before Starting Any Project or Domain) ⭐ INTRODUCTION When a developer enters a new domain (banking, payments, SaaS, ERP, ecommerce) or a new project/company , 90% of their success depends on understanding the right prerequisites . This guide gives the exact checklist top developers follow to gain mastery fast and become the “go-to” person in any team. 🚀 1. TECHNICAL PREREQUISITES Before learning any domain, a developer must be clear in these areas: 1.1 Core Programming (Java Example) Must be comfortable with: OOP Collections Streams Exceptions Multithreading basics Design patterns API development (REST) 1.2 Backend Framework Mastery Ex: Spring Boot You must know: Controllers Services Repositories AOP JWT/security Schedulers Configurations (YAML/properties) 1.3 Databases You must understand:...