This repository contains the implementations of SharkBudget.

The folder Selected/ contains the implementation using the layered architecture.

The selected implementation of Shark Budget is a JavaFX desktop budget tracker built in Java 21.

• Register and login
• Persistent local data storage (JSON file)
• Add income and expense transactions
• Transaction history with search and filters
• Dashboard summary with charts
• Monthly savings target
• CSV export

• Java 21
• JavaFX
• Maven
• Jackson (for JSON persistence)

The app saves data locally in:

• Windows: C:\Users\YourName\.sharkbudget\data.json
• macOS/Linux: ~/.sharkbudget/data.json

Please download IntelliJ IDEA from https://www.jetbrains.com/idea/download/.

Ensure you have a Java 21 JDK or newer and compatible JavaFX SDK installed. One way to do this is installing the Liberica 21 LTS JDK from https://bell-sw.com/pages/downloads/#jdk-21-lts

For macOS users, installing the above JDK can be done automatically via Homebrew:

brew tap bell-sw/liberica
brew install --cask liberica-jdk21-full

Open the project in IntelliJ IDEA and run:

• Maven goal: javafx:run

Or use the Maven tool window and run the javafx:run goal.

The folder Unselected/ contains the implementation using the C2 architecture.

Versioning information:

Flutter 3.38.6 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 8b87286849 (3 months ago) • 2026-01-08 10:49:17 -0800
Engine • hash 6f3039bf7c3cb5306513c75092822d4d94716003 (revision 78fc3012e4) (3 months ago) • 2026-01-07 18:42:12.000Z
Tools • Dart 3.10.7 • DevTools 2.51.1

Please follow the instructions to set up Flutter at https://docs.flutter.dev/install/with-vs-code

TODO: Compilation instructions will be added shortly.

TODO: This information will be added shortly.