Best Ways to Enhance Software Engineering Skills for Programmers?

One idea is to create a data structure, like a binary tree, to handle your drawable elements. You could then write methods to iterate through the tree, allowing for more code reuse and modular design. This will teach you about organizing code better.

You can improve your code aesthetics by moving 'magic values' (constants) out of methods, making them parameters instead if needed, or defining them as private static final. Additionally, reorganize your code for clarity—keep related code close together, like declaring your ObservableList right before you use it in your loop. This makes it easier to read and understand!

To really get better, you should focus on building actual projects. Instead of just reading, dive into developing applications. Also, consider using FXML for your UI instead of keeping everything in code; that's a nightmare for larger projects! Look up idiomatic JavaFX practices and get into concepts like dependency injection and MVVM.