Expense Splitter App

A JavaFX-based desktop application that allows users to track and split group expenses efficiently.

Features

• Add users to a group
• Add expenses with:
  • Payer
  • Amount
  • Description
  • Selected participants
• Split expenses equally among participants
• Track who owes whom and how much
• View full expense history
• Simple, responsive GUI with dark mode
• Data is saved locally to data/expenses.json

Technologies Used

• Java 17+
• JavaFX 23.0.2
• File-based persistence (JSON)
• CSS for styling

How to Run

1. Compile

Make sure JavaFX is downloaded and update the path below:

javac --module-path "C:\javafx-sdk-23.0.2\lib" --add-modules javafx.controls -cp . app/*.java model/*.java service/*.java util/*.java
java --module-path "C:\javafx-sdk-23.0.2\lib" --add-modules javafx.controls -cp . app.ExpenseSplitterApp