README.md

Java Tutorial Repository

Welcome to the Java Tutorial Repository! This repository contains detailed theory and code examples for various Java concepts. Whether you're a beginner or looking to brush up on your Java skills, you'll find valuable resources here to help you master Java programming.

How to Use

• Click on the links below to explore each topic's theory, tutorial and code examples.
• Each markdown file contains explanations, syntax, and use cases for various Java constructs.

Introduction to Java

• Java Introduction
• History of Java
• Benefits of Java

Architecture

• Java Virtual Machine (JVM) Architecture
• JDK vs JRE vs JVM

Variables

• Introduction
• Byte Data Type
• Integral Data Types
• Floating-Point Data Types
• Types of Variables in Java

Control Flow Statements

• If-Else Statements
• Switch Statements
• While Loops
• For Loops
• Do-While Loops

Object Oriented Programming (OOP)

• Introduction to Object-Oriented Programming
• Classes and Objects in Java
• Constructors in Java
• Encapsulation in Java
• Inheritance in Java
• Polymorphism in Java
• Method Overriding in Java
• Compile-Time Polymorphism in Java (Method Overloading)
• Runtime Polymorphism in Java
• Interfaces in Java
• Example: Payment System Interface
• Abstract Classes in Java
• Abstract Classes vs Interfaces in Java: A Detailed Comparison
• Abstract Classes and Interfaces Together in Java
• Nested Classes in Java
• Static Members in Java
• final Keyword in Java

Access Modifiers

• Access Modifiers in Java

Project

• Bank Management System Project in Java (Using OOP Concepts)
• Online Shopping Cart System using OOP Concepts in Java
• Dummy Instagram Project
• Handling 1 Lakh Likes in 1 Minute using Redis + Spring Boot
• URL Shortener

Exception Handling

• Introduction to Exception Handling in Java
• Try-Catch Block and Try-With-Resources
• Finally Block in Java
• throw and throws Keywords in Java
• Custom Exceptions in Java

Java Collections Framework

• Introduction to Java Collections Framework
• Java List Interface
• Internal Implementation of ArrayList and LinkedList in Java
• Java Set Interface
• Maps in Java (HashMap, LinkedHashMap, TreeMap)
• Internal Working of HashMap in Java
• Iterators and foreach Loop in Java

Exploring Java 8 Enhancements

• Lambda Expressions in Java
• Double Colon (::) Operator in Java
• Stream API in Java
• Java Stream API - Intermediate Operations
• Java Stream API - Terminal Operations
• Java Optional Class
• Functional Interface in Java

Java Interview Topics

• String, StringBuilder and StringBuffer Performance Comparison
• String Pool in Java
• Understanding == and equals() in Java
• Understanding the main Method Signature in Java

Java Multithreading & Concurrency

• Introduction to Multithreading
• Creating Threads in Java
• Thread Lifecycle in Java
• Thread Synchronization in Java
• Locks and Atomic Variables in Java
• Inter-Thread Communication in Java
• Thread Pools and Executors in Java

YouTube playlists

• PostgreSQL Series
• Linux tutorial series for software developers
• Real-World Projects with OOP Concepts

Stay Connected

• Dev Portal Subscribe for the latest Java tutorials.
• LinkedIn Profile Connect with me for more programming insights.

Happy coding! If you found these resources helpful, please give this repo a star ⭐ and share it with others who are learning Java.

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