🏦 Bank Management System

A desktop-based Bank Management System developed using Java Swing, JDBC, and PostgreSQL. The application simulates core ATM banking operations with a clean user interface and a DAO (Data Access Object) architecture for database management.

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✨ Features

• 🔐 User Login Authentication
• 📝 New Account Registration (3-Step Signup)
• 💰 Deposit Money
• 💸 Withdraw Money
• ⚡ Fast Cash
• 📄 Mini Statement
• 💳 Balance Enquiry
• 🔄 PIN Change
• 🚪 Logout
• 🗄️ PostgreSQL Database Integration
• 🏛️ DAO Architecture for Clean Code

🛠️ Tech Stack

• Language: Java
• GUI: Java Swing
• Database: PostgreSQL
• Database Connectivity: JDBC
• IDE: IntelliJ IDEA
• Architecture: DAO (Data Access Object)
• Version Control: Git & GitHub

📂 Project Structure

Bank-Management-System-Java/
│
├── src/
│   └── bank/
│       └── management/
│           └── system/
│               ├── dao/
│               │   ├── LoginDAO.java
│               │   ├── SignupDAO.java
│               │   └── TransactionDAO.java
│               │
│               ├── database/
│               │   └── Conn.java
│               │
│               ├── model/
│               │   └── Transaction.java
│               │
│               ├── theme/
│               │   └── Theme.java
│               │
│               ├── ui/
│               │   ├── Login.java
│               │   ├── Signup.java
│               │   ├── Signup2.java
│               │   ├── Signup3.java
│               │   ├── Transactions.java
│               │   ├── Deposit.java
│               │   ├── Withdraw.java
│               │   ├── FastCash.java
│               │   ├── BalanceEnquiry.java
│               │   ├── MiniStatement.java
│               │   └── PinChange.java
│               │
│               └── utils/
│                   └── Validator.java
│
├── database/
│   └── bank_management.sql
│
├── screenshots/
│   ├── login.png
│   ├── signup1.png
│   ├── signup2.png
│   ├── signup3.png
│   ├── transactions.png
│   ├── deposit.png
│   ├── withdraw.png
│   ├── fastcash.png
│   ├── balanceenquiry.png
│   ├── ministatement.png
│   └── pinchange.png
│
├── README.md
├── LICENSE
└── .gitignore

🚀 Getting Started

Prerequisites

• Java JDK 8 or above
• PostgreSQL
• IntelliJ IDEA
• PostgreSQL JDBC Driver

Installation

1. Clone the repository

git clone https://github.com/yourusername/Bank-Management-System.git

2. Open the project in IntelliJ IDEA.

3. Create a PostgreSQL database.

4. Import the SQL file located in the database folder.

5. Update your database credentials in:

Conn.java

Example:

String url = "jdbc:postgresql://localhost:5432/your_database";
String user = "postgres";
String password = "your_password";

6. Add the PostgreSQL JDBC Driver to the project.

7. Run:

Main.java

🗃️ Database

The project uses PostgreSQL to store:

• User Information
• Account Details
• Transactions
• Current Balance
• PIN Information

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📌 Key Functionalities

• Secure user authentication
• Transaction history
• Balance management
• Fast cash withdrawals
• PIN updates
• DAO-based database operations

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📖 Concepts Used

• Object-Oriented Programming (OOP)
• Java Swing GUI Development
• JDBC
• Exception Handling
• Collections
• MVC-inspired Structure
• DAO Design Pattern

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🎯 Future Improvements

• Password/PIN encryption
• Email & SMS notifications
• Interest calculation
• Transaction search & filters
• PDF Mini Statement
• Admin Dashboard
• Account Transfer
• Online Banking Portal
• Spring Boot REST API
• Docker Deployment

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👨‍💻 Author

Sukalyan Manna

Electronics and Communication Engineering Student

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⭐ Support

If you found this project useful:

• ⭐ Star this repository
• 🍴 Fork it
• 📢 Share it

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