🏧 ATM Machine Simulation

Java application simulating ATM banking operations

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📖 Overview

This project simulates the functionality of an Automated Teller Machine (ATM).
Users can authenticate, check account balances, deposit funds, and withdraw money.

The application demonstrates object-oriented programming concepts and transaction handling.

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🚀 Features

✔ User authentication (PIN verification)
✔ Check account balance
✔ Deposit money
✔ Withdraw money
✔ Transaction validation
✔ Console-based user interface

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🛠️ Technologies Used

• Language: Java
• Paradigm: Object-Oriented Programming (OOP)
• Interface: Console application

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📁 Project Structure

atmMachine/

├── ATM.java            # Main ATM logic
├── Account.java        # Account details & balance handling
├── Customer.java       # Customer information
├── Transaction.java    # Transaction processing
└── Main.java           # Program entry point

(structure may vary slightly depending on version)

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⚙️ How to Run the Application

1️⃣ Compile the Program

Open terminal in project folder:

javac *.java

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2️⃣ Run the Program

java Main

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💳 ATM Operations

Users can:

1. Log in using account credentials
2. View account balance
3. Deposit funds
4. Withdraw funds
5. Exit session securely

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🎯 Purpose of the Project

This project was developed to:

• practice object-oriented programming
• simulate real-world banking transactions
• implement account and transaction logic
• build console-based interactive systems

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🚧 Future Improvements

• Add graphical user interface (GUI)
• Implement database storage
• Add multiple user accounts
• Add transaction history logging
• Improve security features

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👨‍💻 Author

Thinh Chi Do
🔗 https://github.com/thinhChiDo1007

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⭐ Support

If you find this project useful, consider giving it a ⭐