Banking System in C++

This is a simple console-based Banking System developed in C++.
It is designed for beginners to understand core Object-Oriented Programming (OOP) concepts and file handling in a practical way.

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Features

• Create new customer accounts
• Deposit money into accounts
• Withdraw money from accounts
• Transfer money between accounts
• View account details
• View transaction history
• Data is saved automatically using file handling

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Technologies Used

• C++
• Object-Oriented Programming (OOP)
• File Handling using fstream
• Arrays (fixed size, no STL used)

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Project Structure

• main.cpp → Contains full source code of the banking system
• bank.txt → Automatically created file used to store all customer data

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How to Run

Step 1: Compile the program

g++ main.cpp -o banking

Step 2: Run the program

On Windows: banking.exe

On Linux / Mac: ./banking

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How It Works

• When the program starts, it loads data from bank.txt if available
• All customer actions like deposit, withdraw, and transfer are updated in real time
• Data is saved automatically after every operation
• Transactions are stored inside each account

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System Limitations

• Maximum 100 customers allowed
• Maximum 100 transactions per account
• Uses fixed-size arrays (no dynamic memory or STL)

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Purpose of Project

This project was built for learning purposes to practice:

• Basic OOP concepts in C++
• File handling in C++
• Structuring a small real-world system
• Input validation and error handling

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Menu Preview

===== BANKING SYSTEM =====

1. Create Account
2. Deposit
3. Withdraw
4. Transfer
5. Account Info
6. Transactions
7. Exit

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