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Roadmap & Syllabus

Java Full Stack Roadmap

The most in-demand enterprise stack in India. Build backend services with Java and Spring Boot, store data in SQL databases and build the UI with Angular or React.

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  • Java 17+
  • Spring Boot
  • Spring Data JPA
  • MySQL / PostgreSQL
  • Microservices
  • Angular / React
  • Git

Learning path

Choose where you are today

Each path is written for a different starting point.

Freshers & Students

Starting from the basics and preparing for a first developer job.

From programming basics to a deployable full stack project and interview readiness.

Approximate duration6–7 months

  1. Core Java & OOP

    5–6 weeks
    • Syntax, control flow, arrays, strings
    • Classes, objects and the four OOP pillars
    • Exception handling
    • Practise 40–50 basic coding problems

    Milestone: Write small console programs and explain OOP with your own examples.

  2. Collections & Modern Java

    4 weeks
    • List, Set, Map and when to use each
    • HashMap internals at a basic level
    • Lambdas and the Stream API
    • Optional

    Milestone: Solve problems using collections and streams instead of plain loops.

  3. SQL & Databases

    3 weeks
    • Tables, keys and normalization
    • Joins, GROUP BY, HAVING, subqueries
    • Common interview queries (Nth highest salary, duplicates)

    Milestone: Design a small schema and write queries for real business questions.

  4. Spring Boot & REST APIs

    6 weeks
    • Dependency injection and project structure
    • REST controllers, DTOs and validation
    • Spring Data JPA with MySQL
    • Exception handling, basic JWT security, unit tests

    Milestone: Build and test a CRUD REST API with authentication.

  5. Frontend Basics

    4 weeks
    • HTML, CSS, JavaScript and TypeScript
    • Angular or React components, routing and forms
    • Calling your Spring Boot API

    Milestone: Connect a working UI to your backend.

  6. Project, Git & Interview Prep

    4 weeks
    • One complete full stack project on GitHub
    • Resume and project explanation
    • Mock interviews: Java, SQL, Spring Boot, coding

    Milestone: Explain your project architecture confidently in an interview.

Want it offline? Download the Java Full Stack roadmap (PDF) — includes all three paths and the complete syllabus.

Projects to build

  • Employee management system (CRUD, search, pagination)
  • Library or hostel management app with roles
  • E-commerce backend with cart and orders + Angular/React UI

Complete syllabus

Java Full Stack syllabus

Everything this track covers, grouped by topic. Use it as a checklist.

01 Core Java

  • JVM, JDK and JRE
  • Data types, operators, control flow
  • Strings and immutability
  • Arrays
  • Exception handling
  • Packages and access modifiers

02 Object-Oriented Programming

  • Classes, objects, constructors
  • Inheritance and polymorphism
  • Abstraction and interfaces
  • Encapsulation
  • equals(), hashCode() and toString()
  • SOLID principles

03 Collections & Generics

  • List, Set, Map, Queue
  • ArrayList vs LinkedList
  • HashMap internals
  • Comparable vs Comparator
  • Generics and wildcards
  • Fail-fast vs fail-safe iterators

04 Modern Java (8–21)

  • Lambdas and functional interfaces
  • Stream API
  • Optional
  • Date and Time API
  • Records, sealed classes, switch expressions
  • Virtual threads (overview)

05 Multithreading & Concurrency

  • Thread lifecycle
  • synchronized and volatile
  • ExecutorService and thread pools
  • CompletableFuture
  • Concurrent collections
  • Deadlocks and race conditions

06 SQL & JDBC

  • Tables, keys and normalization
  • Joins, GROUP BY, HAVING
  • Subqueries and window functions
  • Indexes and query performance
  • Transactions and isolation levels
  • JDBC basics

07 Spring Boot

  • Dependency injection and beans
  • Auto-configuration and starters
  • REST controllers and DTOs
  • Validation and global exception handling
  • Spring Data JPA and Hibernate
  • Profiles and configuration

08 Security & Testing

  • Spring Security basics
  • JWT authentication
  • Password hashing
  • JUnit 5 and Mockito
  • Integration tests with MockMvc
  • Logging

09 Microservices

  • Monolith vs microservices
  • Service communication (REST, messaging)
  • API gateway and service discovery
  • Resilience (Resilience4j)
  • Kafka or RabbitMQ basics
  • Distributed tracing

10 Frontend (Angular or React)

  • HTML, CSS, JavaScript and TypeScript
  • Components and routing
  • Forms and validation
  • Calling Spring Boot APIs
  • State management basics
  • Deploying the frontend

11 Tools & Deployment

  • Git and GitHub workflow
  • Maven or Gradle
  • Postman
  • Docker basics
  • CI/CD concepts
  • Cloud deployment basics

Where it leads

Roles this track prepares you for

  • Java Developer
  • Java Full Stack Developer
  • Spring Boot Developer
  • Backend Engineer

Durations are approximate and assume about 2–3 hours of focused study a day. Move faster or slower as you need — understanding matters more than speed.

Want guidance along the way?

A roadmap tells you what to learn. Guidance helps you learn it in the right depth, practise with real interview questions and explain your projects with confidence.

Java Full Stack support Ask a question

Roadmaps are for learning guidance. They do not guarantee jobs or placements.

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