/JavaRoadMap

Java Learning Roadmap

1. Introduction to Java

  • What is Java?
    • History
    • Features
    • Applications
  • Setup Development Environment
    • Install JDK
    • Install IDE (e.g., IntelliJ IDEA, Eclipse, NetBeans)

2. Basics of Java Programming

  • Hello World Program
  • Basic Syntax
    • Data Types
    • Variables
    • Operators
    • Control Flow Statements
      • If-else
      • Switch
      • Loops (for, while, do-while)

3. Object-Oriented Programming (OOP) Concepts

  • Classes and Objects
    • Definition and Instantiation
    • Fields and Methods
  • Principles of OOP
    • Encapsulation
    • Inheritance
    • Polymorphism
    • Abstraction
  • Constructors
  • Static Keyword

4. Advanced OOP Concepts

  • Interfaces and Abstract Classes
  • Inner Classes
  • Anonymous Classes
  • Enumerations (Enums)

5. Java Collections Framework

  • List Interface
    • ArrayList
    • LinkedList
  • Set Interface
    • HashSet
    • TreeSet
  • Map Interface
    • HashMap
    • TreeMap
  • Queue Interface
    • PriorityQueue
  • Stack Class

6. Exception Handling

  • Try-Catch-Finally Block
  • Types of Exceptions
    • Checked Exceptions
    • Unchecked Exceptions
  • Throw and Throws Keywords
  • Custom Exceptions

7. Java I/O

  • File I/O
    • FileReader and FileWriter
    • BufferedReader and BufferedWriter
  • Serialization and Deserialization

8. Multithreading and Concurrency

  • Creating Threads
    • Extending Thread Class
    • Implementing Runnable Interface
  • Thread Lifecycle
  • Synchronization
  • Concurrency Utilities

9. Java Standard Libraries

  • Java.lang
  • Java.util
  • Java.io
  • Java.nio

10. Java Network Programming

  • Sockets
    • TCP and UDP
  • URL and HttpURLConnection

11. Java Database Connectivity (JDBC)

  • JDBC Drivers
  • Connecting to a Database
  • Executing SQL Queries
  • PreparedStatement and CallableStatement

12. Java GUI Programming

  • Swing
    • JFrame, JPanel, JButton, JTextField, etc.
  • JavaFX
    • Application Structure
    • Scene and Stage

13. Best Practices and Design Patterns

  • Coding Conventions
  • Common Design Patterns
    • Singleton
    • Factory
    • Observer
    • Strategy

14. Advanced Topics (Optional)

  • Java 8 Features
    • Lambda Expressions
    • Streams API
    • Optional Class
  • Java 9 and Beyond
    • Modules
    • Local Variable Type Inference (var)

15. Best Practices and Design Patterns

  • Coding Conventions
  • Common Design Patterns
    • Singleton
    • Factory
    • Observer
    • Strategy

16. Spring Framework Basics

  • Introduction to Spring Framework
    • Overview
    • Modules (Core, AOP, JDBC, MVC, etc.)
  • Dependency Injection
    • Inversion of Control (IoC)
    • Bean Configuration
  • Spring MVC
    • Controllers
    • Views (JSP, Thymeleaf)
    • RESTful Web Services
  • Spring Boot
    • Introduction and Setup
    • Creating a Spring Boot Application
    • Spring Boot Annotations
    • Embedded Servers (Tomcat, Jetty)
    • Configuration and Properties

17. Microservices with Spring Boot

  • Introduction to Microservices
    • Monolithic vs. Microservices Architecture
  • Building Microservices with Spring Boot
    • Creating Microservices
    • Inter-Service Communication
      • REST
      • gRPC
    • Service Discovery with Eureka
    • Load Balancing with Ribbon
    • API Gateway with Zuul
    • Circuit Breaker with Hystrix
  • Spring Cloud
    • Config Server
    • Sleuth and Zipkin for Distributed Tracing
    • Security with OAuth2 and JWT

18. Project

  • Build a Real-World Application
    • Requirements Gathering
    • Design
    • Implementation
    • Testing
    • Deployment

Resources