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Introduction to Java
Data Types and Variables
Operators
Control Flow (if, else, switch)
Loops (for, while, do-while)
Arrays
Strings
Object-Oriented Programming (OOP)
Classes and Objects
Methods
Constructors
Inheritance
Polymorphism
Abstraction
Encapsulation
Interfaces
Abstract Classes
Exception Handling
Collections Framework
Lists
Sets
Maps
Generics
Input/Output (I/O)
File Handling
Multithreading
Networking
JDBC (Database Connectivity)
Swing (GUI)
JavaFX (GUI)
Lambda Expressions
Streams
Design Patterns
