Control elements
The control elements are included in the javafx.scene.control package (https://openjfx.io/javadoc/11/javafx.controls/javafx/scene/control/package-summary.html). There are more than 80 of them, including a button, text field, checkbox, label, menu, progress bar, and scroll bar, to name a few. As we have mentioned already, each control element is a subclass of Node that has more than 200 methods. So, you can imagine how rich and fine-tuned a GUI can be when built using JavaFX. However, the scope of this book allows us to cover only a few elements and their methods.
We have already implemented a button in the example in the preceding section. Let’s now use a label and a text field to create a simple form with input fields (first name, last name, and age) and a Submit button. We will build it in steps. All the following code snippets are sequential sections of another start() method in the HelloWorld class (rename the previous start() method start1(), and rename...
