A simple Java Swing GUI application for basic banking operations such as checking balance, depositing, withdrawing, and viewing the previous transaction.

The program simulates a bank account with the following features:

• Display current balance
• Deposit money into the account
• Withdraw money from the account
• View the previous transaction (deposit or withdrawal)
• Exit the application

• Java Development Kit (JDK) 8 or higher

• BankingApplicationGUI.java: Contains the main method that creates a BankAccount object and launches the GUI.

• BankAccount class: Implements account logic and builds the Swing GUI:

  • Fields:

    • int balance: current account balance
    • int previousTransaction: amount of the last transaction
    • String customerName, customerId: customer information

  • GUI Components:

    • JFrame frame: main application window
    • JLabel balanceLabel: displays the current balance
    • JTextField amountField: input for deposit/withdrawal amounts
    • JTextArea outputArea: shows operation results

  • Key Methods:

    • deposit(int amount): adds funds to the balance
    • withdraw(int amount): subtracts funds from the balance
    • getPreviousTransaction(): prints the last transaction details
    • updateBalance(): refreshes the balance label
    • showMenu(): constructs and displays the GUI with event handlers

1. Save the code in a file named BankingApplicationGUI.java.

2. Open a terminal and navigate to the directory containing the file.

3. Compile:

   javac BankingApplicationGUI.java

4. Run:

   java BankingApplicationGUI

Below is the actual screenshot of the application interface:

This project is licensed under the MIT License. See the LICENSE file for details.