java-programs-collection

🚀 Java Programs Collection

A comprehensive collection of Java programs demonstrating core and advanced concepts including Collections, Database (JDBC), Multithreading, and Swing GUI.

📌 Features

• 📂 Collections Framework
  • ArrayList, LinkedList, HashMap, TreeMap
  • CRUD operations (Add, Remove, Search)
  • Iterator usage
• 🗄️ Database Connectivity (JDBC)
  • PostgreSQL / MySQL integration
  • Insert, Update, Delete, Fetch records
  • PreparedStatement usage
• 🧵 Multithreading
  • Thread creation using Thread class & Runnable interface
  • Synchronization
  • Thread lifecycle
• 🖥️ Swing GUI
  • User-friendly interfaces
  • Forms, Buttons, Labels, TextFields
  • Event handling (ActionListener)

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🛠️ Technologies Used

• Java (JDK 8+)
• JDBC
• Swing
• PostgreSQL

• VS Code

📁 Project Structure

Java-Programs-Collection/
│── collection/
│── database/
│── threads/

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⚙️ How to Run

1️⃣ Clone the repository

git clone https://github.com/your-username/your-repo-name.git

2️⃣ Compile Java files

javac -d bin src/yourpackage/*.java

3️⃣ Run the program

java -cp bin yourpackage.ClassName

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🧪 Database Setup

1. Install PostgreSQL
2. Create database:

   CREATE DATABASE javadb;
   

3. Update your DB credentials in code:

   String url = "jdbc:postgresql://localhost:5432/javadb";
   String user = "your_username";
   String password = "your_password";
   

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   🤝 Contributing

   Feel free to fork this repository and add more Java programs!

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📜 License

This project is open-source and free to use.

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👩‍💻 Author

Payal kor TY BCS Student | Aspiring Full Stack Developer 🚀

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