🧭 Full Stack Java Development Roadmap (2025 Updated)

Katagiri YuichiKatagiri Yuichi
1 min read

🧱 1. Foundations

🔹 Programming & OOP

  • Java (Core)

    • Variables, Loops, Conditionals

    • OOP Concepts: Classes, Inheritance, Polymorphism, Encapsulation

    • Exception Handling

    • Collections Framework

    • Java 8+: Streams, Lambda Expressions, Functional Interfaces

  • Git & GitHub

    • Git commands, Branching, Pull Requests

🎨 2. Frontend Development

🧑‍🎨 Basics

  • HTML5

  • CSS3

  • JavaScript (ES6+)

Frameworks/Libraries

  • React.js (most popular) OR Angular OR Vue.js

  • JSX/TSX, Components, Props, State

  • React Router, Context API, Hooks


☕ 3. Backend Development (Java)

🧱 Core Stack

  • Java 11+

  • Spring Framework:

    • Spring Core

    • Spring Boot (main framework for REST APIs)

    • Spring MVC (Controllers, REST endpoints)

    • Spring Data JPA

    • Spring Security (Authentication & Authorization)

    • Spring Validation

  • Hibernate ORM (Database interaction)


🛢 4. Database

🧾 Relational

  • MySQL / PostgreSQL

🧬 NoSQL (Optional)

  • MongoDB

    • Documents, Collections, CRUD operations

☁ 5. Deployment & Cloud

  • AWS / GCP / Azure (Choose any cloud provider)

🛠 6. Project Ideas (Practice)

  1. E-commerce app

  2. Blog platform

  3. Online quiz/test system

  4. Job board

  5. Banking/Finance app


Start building these step-by-step, and you’ll be on a strong path to becoming a proficient full stack Java developer in 2025! 🚀

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Written by

Katagiri Yuichi
Katagiri Yuichi

💻 Developer & Tech Writer | Sharing coding tutorials, tips & tricks to level up your dev journey 🚀 Hey there! I write articles about programming, productivity hacks, and practical coding tips to help developers of all levels improve their skills. Whether it’s breaking down complex concepts or sharing quick tricks, I aim to make coding more accessible and fun. Let’s learn and grow together!