Core Java for Beginners

A step-by-step guide to learning Java with examples and a project

📘 Course Index

• Module 1: Introduction & Setup
• Module 2: Java Basics
• Module 3: Control Flow
• Module 4: OOP Basics
• Module 5: Advanced OOP
• Module 6: Arrays & Strings
• Module 7: Exception Handling
• Module 8: Java Collections
• Module 9: File I/O
• Module 10: Final Project Introduction
• Module 11: Java Keywords
• Module 12: Variables and Data Types
• Module 13: Operators
• Module 14: If-Else and Switch
• Module 15: Loops
• Module 16: Classes and Objects
• Module 17: Constructors
• Module 18: Inheritance
• Module 19: Polymorphism
• Module 20: Encapsulation
• Module 21: Abstraction
• Module 22: Interfaces
• Module 23: Static and Final
• Module 24: Access Modifiers
• Module 25: This and Super
• Module 26: Wrapper Classes
• Module 27: Packages
• Module 28: Exception Types
• Module 29: Try, Catch, Finally
• Module 30: Custom Exceptions
• Module 31: String Handling
• Module 32: StringBuffer and StringBuilder
• Module 33: Arrays
• Module 34: ArrayList and LinkedList
• Module 35: HashMap and HashSet
• Module 36: File Handling
• Module 37: Final Project - Overview
• Module 38: Final Project - Code
• Module 39: Final Project - Output & Review
• Module 40: Final Quiz & Assessment

🧰 Prerequisites

• Basic computer knowledge
• Understanding of how to use a text editor or IDE
• No prior programming experience needed

🔧 Installation and Setup

1. Download JDK: Oracle JDK
2. Install an IDE: We recommend Eclipse or IntelliJ IDEA
3. Verify Installation:

   java -version
                       javac -version

4. Set JAVA_HOME (Optional but recommended):

   export JAVA_HOME=/path/to/jdk