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💸 Expense Tracker (JavaFX)

Expense Tracker is a simple desktop application built with Java and JavaFX that allows users to log, view, and analyze their personal expenses.

🖥️ Features

• Add expenses with category, amount, date, and note
• View a list of all recorded expenses
• Automatically save data to a CSV file
• Calculate and display the total amount spent
• Intuitive graphical user interface (GUI) using JavaFX

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🚀 How to Run

✅ Requirements

• Java 17 or higher
• JavaFX SDK 24.0.1 installed locally (The JAVAFX_LIB variable in run.sh should point to the lib directory of your JavaFX SDK)

🧪 Steps

1. Make sure you have JavaFX SDK installed Download from: https://gluonhq.com/products/javafx/ Unzip it and update the path in run.sh:

   JAVAFX_LIB="/path/to/javafx-sdk-24.0.1/lib"

2. Compile and run the application

   In the root directory of the project, run:

   chmod +x run.sh
   ./run.sh

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📁 Project Structure

├── run.sh                  # Shell script for building and running
├── expenses.csv            # Data file (auto-generated)
├── src/
│   └── tracker/
│       ├── Expense.java           # Represents a single expense
│       ├── ExpenseManager.java    # Manages expense data and CSV file
│       └── ExpenseTrackerApp.java # Main JavaFX application

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🧠 Technologies Used

• Java 17+
• JavaFX (controls: ListView, Label, TextField, DatePicker, etc.)
• Object-Oriented Programming
• CSV file handling
• GUI built with VBox, GridPane, Scene, Stage

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🌍 Notes

• The interface and all messages are currently in Polish
• Data is saved to expenses.csv in the same directory as the app
• Invalid input (e.g., letters instead of a number) will trigger an error alert

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📝 License

Educational project — feel free to use, modify, and build upon it.