Day 1: Introduction to Java

• Getting Started with Java
  • What is Java?
  • Why choose Java?
  • Installing Java and setting up the development environment (sudo apt install default-jdk for Ubuntu, brew install java for macOS)
• Java Basics
  • Understanding Java syntax and basic commands
  • Data types and variables (int, double, boolean, char, String)
  • Basic operations (arithmetic, logical, comparison)
• Control Structures
  • Conditional statements (if, else, switch)
  • Loops (for, while, do-while)
  • Using loops for repetitive tasks

Day 2: Object-Oriented Programming in Java

• Classes and Objects
  • Defining classes and creating objects
  • Understanding fields, methods, and constructors
  • this keyword and method overloading
• Inheritance and Polymorphism
  • Basics of inheritance (extending classes)
  • Method overriding and super keyword
  • Polymorphism and its applications
• Encapsulation and Interfaces
  • Encapsulating data with private modifiers and getters/setters
  • Defining and implementing interfaces
  • Importance of encapsulation in software design

Day 3: Advanced Topics and Project Work

• Exception Handling
  • Common exceptions in Java (e.g., NullPointerException, ArrayIndexOutOfBoundsException)
  • Try-catch blocks and finally clause
  • Creating custom exceptions
• Java Standard Library
  • Utilizing important classes and interfaces from the Java API (e.g., ArrayList, HashMap, Thread)
  • Exploring java.util package
  • Reading and writing files (java.io)
• Mini Project
  • Creating a simple Java application (e.g., a banking application, a simple game)