🏦 Java Console Banking System

Production-style console banking app built with Java 17, JDBC, and MySQL — featuring layered architecture, custom exceptions, and real database persistence.

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🚀 What It Does

• ✅ User registration and login with validation
• ✅ Create Savings and Current accounts
• ✅ Deposit, Withdraw, Transfer funds
• ✅ View full transaction statement
• ✅ Real-time MySQL database persistence
• ✅ Custom exception handling
• ✅ Unique reference number per transaction

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🛠️ Tech Stack

Layer	Technology
Language	Java 17
Build Tool	Maven
Database	MySQL 8
Persistence	JDBC
Logging	Logback
Testing	JUnit 5

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🏗️ Project Architecture

src/main/java/com/banking/ ├── model/ Account · Transaction · User ├── dao/ AccountDAO · TransactionDAO · UserDAO ├── service/ AccountService · AuthService ├── util/ DBConnection · InputValidator · AccountNumberGenerator ├── exception/ Custom exceptions ├── cli/ BankingCLI (menu system) └── Main.java Entry point

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⚙️ Run Locally

Prerequisites

• Java 17
• MySQL 8
• Maven

Steps

1. Clone the repo

git clone https://github.com/raam214/java-banking-system.git
cd java-banking-system

2. Set up MySQL database

CREATE DATABASE banking_system;

Then run schema.sql in MySQL Workbench.

3. Create config file

Create src/main/resources/db.properties:

db.url=jdbc:mysql://localhost:3306/banking_system?useSSL=false&serverTimezone=UTC db.username=root db.password=your_password

4. Build and run

mvn clean install
java -jar target/banking-system-1.0.0.jar

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📸 Demo

╔══════════════════════════════════════╗ ║ JAVA CONSOLE BANKING SYSTEM ║ ║ Built by Ram Dukare ║ ╚══════════════════════════════════════╝ ========== MAIN MENU ==========

Register Login Exit

========== BANKING MENU ==========

Create Account Deposit Withdraw Transfer View Statement View My Accounts Logout

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👨‍💻 Author

Ram Dukare — Portfolio