Master Java Programming: Complete Course Outline (Beginner to Advanced)

☕ Java Programming Course Outline (Beginner to Advanced, Latest Features)

📌 Introduction

Java is a versatile, object-oriented programming language widely used in web, desktop, mobile, and enterprise applications. Mastering Java equips developers to build robust, scalable, and secure applications across multiple platforms. This course roadmap covers Java from basics to advanced concepts, object-oriented programming, modern features, and Java 21+ updates, ensuring learners stay current with latest trends and best practices.

📘 Detailed Course Outline

Module 1: Introduction to Java

What is Java and its history
Java Editions: JDK, JRE, JVM
Installing Java and setting up environment (IDE: IntelliJ, Eclipse, VS Code)
First Java program: Hello World
Compilation and execution process

Module 2: Java Basics

Java syntax, identifiers, and keywords
Data types, variables, and constants
Operators: arithmetic, relational, logical, bitwise, assignment
Type casting and conversion
Input/output using Scanner and System.out

Module 3: Control Flow

Conditional statements: if, if-else, nested if, switch
Loops: for, while, do…while
Break, continue, and return statements
Java 21+ enhanced switch expressions
Boolean logic and short-circuit evaluation

Module 4: Methods and Functions

Defining and invoking methods
Method parameters and return types
Method overloading
Recursion basics
Java 21+ local variable type inference with var

Module 5: Object-Oriented Programming (OOP)

Classes, objects, and constructors
Instance variables vs static variables
Encapsulation: getters and setters
Inheritance and super keyword
Polymorphism: compile-time and runtime
Abstract classes and interfaces
Composition vs inheritance

Module 6: Advanced Java Concepts

Packages and access modifiers
Inner classes, anonymous classes, and local classes
Enum types and enhanced enums (Java 21+ sealed classes)
Java 21+ record classes
Exception handling: try, catch, finally, throws, custom exceptions

Module 7: Collections Framework

Overview of Collections: List, Set, Map, Queue
ArrayList, LinkedList, HashSet, TreeSet, HashMap, TreeMap
Iterators, ListIterator, and enhanced for-loop
Streams API for data processing (Java 8+)
Lambda expressions and functional interfaces
Java 21+ Pattern Matching and enhanced Stream methods

Module 8: File Handling & I/O

File reading and writing (Text and Binary)
BufferedReader, BufferedWriter, FileReader, FileWriter
Serialization and deserialization
Java NIO package basics
Working with Paths, Files, and Directory Streams

Module 9: Multithreading & Concurrency

Thread creation: extending Thread vs implementing Runnable
Thread lifecycle and states
Synchronization, locks, and monitors
ExecutorService and ThreadPool
Concurrency utilities (java.util.concurrent)
CompletableFuture and reactive programming basics

Module 10: Java GUI & Desktop Applications

Introduction to Swing and JavaFX
Creating windows, panels, buttons, labels
Event handling and listeners
Layout managers: BorderLayout, GridLayout, FlowLayout
JavaFX SceneGraph, Controls, and FXML basics

Module 11: JDBC & Database Connectivity

JDBC architecture overview
Connecting to MySQL, SQL Server, PostgreSQL
Executing queries: Statement, PreparedStatement, CallableStatement
ResultSet processing and metadata
Transactions and batch processing

Module 12: Advanced Features & Latest Java 21+

Modules (Java Platform Module System)
Records, Sealed classes, Pattern Matching
Text blocks for multi-line strings
Enhanced switch expressions
Improved garbage collection and memory management
New API updates and standard library enhancements

Module 13: Best Practices & Application Design

Code readability and naming conventions
Logging with java.util.logging and SLF4J
Exception and error handling strategies
Unit testing with JUnit 5
Designing maintainable and scalable applications

📌 Conclusion

Mastering Java equips developers to build robust, scalable, and cross-platform applications. From basic syntax and OOP to advanced features, modern Java 21+ enhancements, multithreading, GUI, and database connectivity, this course roadmap ensures learners are prepared for real-world software development and enterprise-grade projects.