How to build JavaFX Calculator application II: Add CSS

*Made the calculator able to keep on working after showing first result so that there's no need to press reset each time.*

How to add CSS to FXML:
- add stylesheets tag with reference to the CSS file

JavaFX Scene Builder:
- add fx:id to the elements you want to add style (fx:id is the same as id '#')

FXMLDocumentController:
- add:

text = "";

right after showing the result in keyPressed event and button15(=) event .

Download Jar:

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