Simple Banking System (Java)

A simple desktop-based banking system built using Java and Swing (JOptionPane).
This project demonstrates core programming concepts such as arrays, methods, input validation, and basic banking operations.

---

Features

• Create a new bank account
• Auto-generate account numbers (ACC001, ACC002, ...)
• Deposit money into an account
• Withdraw money with balance validation
• Check account details and balance
• Flexible account search:
  • Account number (ACC001)
  • Short format (A1 / a1)
  • Numeric input (1)
  • Account holder name (full or partial)

---

Technologies Used

• Java
• Swing (JOptionPane)
• Core Java (Arrays, Methods, Control Flow)

---

How It Works

The system stores account data using parallel arrays:

• accountNumbers[]
• accountNames[]
• balances[]

Each account shares the same index across these arrays.

The program runs in a loop displaying a menu where the user can choose different banking operations.

---