Java Backend Roadmap 2026 (Java 21) + Interview Guide for Freshers

AI can generate Java code in seconds. So why are many Java Backend freshers still failing interviews? In 2026, companies expect more than just working code. They look for developers who understand systems, think logically, and write maintainable code . This guide gives you a clear roadmap + practical interview preparation strategy . 🔥 What Changed in Java Backend Interviews (2026)? Modern interviews focus on: Problem solving (real-world scenarios) System thinking (how systems interact) Clean co