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Java Road Map

The document outlines a comprehensive Java learning roadmap divided into five phases, starting from Java fundamentals to advanced topics and specialization. Each phase includes specific skills, tools, and practices to be mastered, such as OOP concepts, Java frameworks, and cloud deployment. The final goal is to become a Java professional by working on real-world projects and continuously improving skills.

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maharabhossain2893
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178 views5 pages

Java Road Map

The document outlines a comprehensive Java learning roadmap divided into five phases, starting from Java fundamentals to advanced topics and specialization. Each phase includes specific skills, tools, and practices to be mastered, such as OOP concepts, Java frameworks, and cloud deployment. The final goal is to become a Java professional by working on real-world projects and continuously improving skills.

Uploaded by

maharabhossain2893
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Complete Java Learning Roadmap: Beginner to Professional

Phase 1: Java Fundamentals (1-2 months)

Setup & Environment

 Install JDK (Java Development Kit)

 Install an IDE (IntelliJ IDEA, Eclipse, VS Code)

 Understand JVM (Java Virtual Machine), JRE (Java Runtime Environment), and JDK

Core Java Basics

 Data Types & Variables

 Operators (Arithmetic, Logical, Relational, etc.)

 Control Flow (if-else, switch)

 Loops (for, while, do-while)

 Arrays (1D & 2D)

Object-Oriented Programming (OOP)

 Classes and Objects

 Encapsulation, Inheritance, Polymorphism, Abstraction

 Methods & Constructors

 Static vs Instance members

Basic Java APIs

 String Manipulation

 Date and Time API

 Wrapper Classes

Practice

 Solve simple coding challenges (e.g., on LeetCode, HackerRank)

 Implement basic OOP concepts in small projects

Phase 2: Intermediate Java (2-3 months)

Collections Framework

 List (ArrayList, LinkedList)

 Set (HashSet, TreeSet)


 Map (HashMap, TreeMap, LinkedHashMap)

 Queue (PriorityQueue, Deque)

 Iterators & Streams

Exception Handling

 Try-Catch-Finally

 Throw & Throws

 Custom Exceptions

File Handling

 Reading & Writing Files (BufferedReader, FileWriter, etc.)

 Serialization & Deserialization

Multi-Threading & Concurrency

 Threads, Runnable Interface

 Synchronization & Locks

 Executors & Thread Pools

JDBC (Java Database Connectivity)

 Connecting Java to MySQL/PostgreSQL

 CRUD Operations

 Prepared Statements

Practice

 Build small applications using JDBC & file handling

 Work on coding problems involving collections & concurrency

Phase 3: Advanced Java (3-4 months)

Java 8+ Features

 Lambda Expressions

 Stream API

 Functional Interfaces (Predicate, Consumer, Supplier)

 Default & Static Methods in Interfaces

 Optional Class
Design Patterns

 Singleton, Factory, Builder

 Strategy, Observer, Decorator

 MVC (Model-View-Controller)

JVM Internals & Performance Optimization

 Garbage Collection (GC)

 Memory Management

 Profiling & Debugging

Unit Testing

 JUnit & Mockito

 Writing Test Cases

 Test-Driven Development (TDD)

Practice

 Optimize Java applications for performance

 Apply design patterns in real-world problems

Phase 4: Java Frameworks & Enterprise Development (3-5 months)

Spring Framework

 Spring Core (IoC & DI)

 Spring Boot (Microservices, Auto-Configuration)

 Spring MVC (Web Development)

 Spring Data JPA & Hibernate (ORM for Database)

 Spring Security (Authentication & Authorization)

RESTful Web Services

 Creating REST APIs with Spring Boot

 JSON & XML Data Exchange

 Postman Testing

Build Tools & Logging

 Maven & Gradle


 Logging with Log4j & SLF4J

Docker & Kubernetes (For Deployment)

 Containerizing Java Applications

 Running Java Apps in Kubernetes Clusters

Microservices & Cloud Deployment

 Deploying Java Apps on AWS/Azure/GCP

 Using CI/CD Tools like Jenkins & GitHub Actions

Practice

 Build a full-stack Java web app with Spring Boot & REST API

 Deploy the app using Docker & CI/CD

Phase 5: Mastery & Specialization (Ongoing)

Explore Advanced Topics

 Reactive Programming (Project Reactor)

 GraphQL with Java

 Distributed Systems & Event-Driven Architecture

Big Data & AI with Java

 Apache Kafka, Apache Spark

 Machine Learning with Java

Interview Preparation

 Solve advanced coding problems on LeetCode

 Mock interviews

Contribute to Open Source

 Contribute to Java frameworks & libraries on GitHub

 Join Java developer communities

Final Goal: Become a Java Professional!

 Work on real-world projects

 Stay updated with new Java releases


 Keep learning & improving

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