🏦 Bank Management System (ATM Machine)

✨ Introduction

The Bank Management System (ATM Machine) is a Java-based application that simulates basic banking operations through an ATM-like interface. Users can perform essential transactions such as PIN change, cash withdrawal, deposits, balance inquiry, and more.

The application is built using Java Swing for a graphical user interface and JDBC for secure database connectivity.

💳 Features

• ➕ Deposit: Add money to your bank account.
• ➖ Cash Withdrawal: Withdraw money from your account.
• ⏫ Fast Cash: Quick withdrawal of pre-defined amounts.
• 📈 Balance Inquiry: Check your current account balance.
• 📝 Mini Statement: View a summary of recent transactions.
• 🔑 PIN Change: Securely update your ATM PIN.
• ❌ Exit: Safely log out of the application.

💻 Technologies Used

• Programming Language: Java
• GUI Framework: Swing (Java)
• Database: MySQL
• Database Connectivity: JDBC
• IDE: IntelliJ IDEA / Eclipse / NetBeans (or any Java IDE)

🛠️ Installation and Setup

⚡ Prerequisites

• JDK 8 or higher installed on your machine.
• MySQL Server installed and configured.
• Java IDE (e.g., IntelliJ IDEA, Eclipse, or NetBeans).

⭐ Steps to Run the Project

1. git clone https://github.com/HimanshuHeda/Bank_Management_System_Java.git

2. Open the project in your Java IDE.

3. Set up the database:

   • Import the provided SQL script (database_setup.sql) to create the required tables in MySQL.
   • Update the Conn class with your MySQL credentials.

4. Compile and run the project: Execute the Transactions or Main class to launch the application.

📚 Database Structure

The project uses the following tables:

1. bank Table (Stores user account details and transactions)

   CREATE TABLE bank (     
       account_no INT PRIMARY KEY,     
       name VARCHAR(50),     
       balance DOUBLE,     
       pin VARCHAR(4)  
       );   

2. login Table (Manages user authentication)

3. signupthree Table (Contains user registration details)

💻 How to Use

1. Run the application.
2. Log in using your account PIN.
3. Select the desired operation from the menu.
4. Follow the on-screen prompts to complete the transaction.
5. Log out when finished by clicking the Exit button.

Screenshots

Login Page:

SignUpOne:

Main Transactions Menu:

PIN Change Interface:

Withdrawl:

FastCash:

⚠️ Known Issues

• Ensure all database credentials are correct to avoid connection issues.
• Add input validation for robust error handling and to prevent SQL injection attacks.

🚀 Future Enhancements

• ✅ Multi-User Support: Implement unique account numbers for multiple users.

• 🔒 OTP Verification: Add an extra layer of security during login and transactions.

• 🎨 Enhanced GUI: Upgrade the user interface for a more modern and intuitive experience.

🤝 Contributing

Contributions are welcome! If you want to contribute:

1. Fork the repository.
2. Create a new feature branch.
3. Commit your changes with meaningful messages.
4. Submit a pull request.

📜 License

This project is licensed under the MIT License. See the LICENSE file for details.

📞 Contact

For any queries or suggestions, feel free to reach out:

• 👤 Name: Himanshu Heda
• 📧 Email: himanshuheda123@gmail.com
• 💻 GitHub: HimanshuHeda
• 🔗 LinkedIn: Himanshu Heda