Found a bug? Want to suggest a feature?

For this, go on the issue tab and file an issue for it. Simple, isn't it? ;)

Want to contribute through code?

This application was developed in BlueJ but can be developed in any IDE.

For developing in BlueJ:

Fork this repo.
Clone it to your computer.
To open this on BlueJ, double-click on "package.bluej".
Make your changes.
Test your changes by running the timer.
Commit your edits with a relevant commit message.
Push your branch to your fork.
Open a Pull request.