☕ Core Java Learning Repository

Welcome to my Core Java Learning Repository. This repository contains my Java notes, examples, and practice programs organized topic-wise to build a strong foundation in Java programming.

The goal of this repository is to learn Java from basics to advanced concepts and keep everything structured for easy revision.

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📚 Repository Structure

Core-Java
│
├── A Introduction
├── B Programming Languages & Fundamentals
├── C Control Statements
├── D OOPS
├── E GUI
├── F Project
├── G Exception Handling
├── H Strings
├── I Multithreading & Synchronization
├── J Java IO
├── K Project Chat App
├── L Socket Programming & RMI
├── M Array
├── N Collection Framework
├── O Java Features
└── P Mysql

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📖 Topics Covered

📌 1. Introduction

• What is Java
• Features of Java
• JVM, JRE, JDK
• Java Architecture
• First Java Program

📌 2. Programming Languages & Fundamentals

• Programming language basics
• Compilation vs Interpretation
• Variables and Data Types
• Operators

📌 3. Control Statements

• if / if-else
• switch
• for loop
• while loop
• do-while loop
• break & continue

📌 4. OOPS (Object Oriented Programming)

• Class and Object
• Constructors
• Method Overloading
• Inheritance
• Method Overriding
• Encapsulation
• Abstraction
• Polymorphism

📌 5. GUI

• Introduction to GUI
• Java Swing
• Components and Layouts

📌 6. Project

• Basic Java projects for practice

📌 7. Exception Handling

• try-catch
• finally
• throw
• throws
• Custom exceptions

📌 8. Strings

• String class
• String methods
• StringBuffer
• StringBuilder

📌 9. Multithreading & Synchronization

• Thread lifecycle
• Thread class
• Runnable interface
• Synchronization

📌 10. Java IO

• File handling
• FileReader / FileWriter
• BufferedReader / BufferedWriter
• Streams

📌 11. Project Chat App

• Java based chat application project

📌 12. Socket Programming & RMI

• Client Server communication
• Socket programming
• Remote Method Invocation (RMI)

📌 13. Array

• 1D arrays
• 2D arrays
• Array programs

📌 14. Collection Framework

• List
• Set
• Map
• ArrayList
• LinkedList
• HashSet
• HashMap
• Iterators

📌 15. Java Features

• Java 8 features
• Lambda Expressions
• Functional Interfaces
• Streams

📌 16. Mysql

• Java Database Connectivity (JDBC)
• Connecting Java with MySQL
• CRUD Operations

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🛠 Tools Used

💻 Language: Java

🧰 IDE: VS Code / Eclipse

🔧 Version Control: Git & GitHub

🗄 Database: MySQL

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📖 Learning Resources

• Official Java Documentation

• Online Tutorials

• Practice Programs

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🚀 How to Run Java Programs

1️⃣ Install JDK

2️⃣ Clone the repository

git clone https://github.com/your-username/core-java-learning.git

3️⃣ Navigate to any folder and compile the program

javac ProgramName.java

4️⃣ Run the program

java ProgramName

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🎯 Purpose of This Repository

✔ Practice Core Java concepts

✔ Maintain structured Java notes

✔ Prepare for Advanced Java & Spring Framework

✔ Help beginners understand Java easily

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⭐ Support

If you find this repository helpful, please give it a star ⭐ on GitHub.

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👨‍💻 Author

Vishal Jadhav

Java Developer in Learning 🚀 Building strong fundamentals in Core Java, JDBC, and Spring Framework.