Learn Java For Web Development -

Essential for managing data. Master List (ArrayList), Set (HashSet), and Map (HashMap).

The heart of Java. You must understand Classes, Objects, Inheritance, Polymorphism, Abstraction, and Encapsulation. Learn Java for Web Development

Writing code is only half the battle; ensuring it works is the other half. Learn Java - Dev.java Essential for managing data

Using try-catch blocks and understanding checked vs. unchecked exceptions to prevent crashes in production. Phase 2: The Web Backbone the Stream API

The dominant framework in 2026 for microservices and enterprise backends. It provides built-in security, data access, and cloud-ready tools.

Functional programming is now standard. Learn Lambda expressions, the Stream API, and Optional .