Answer the following statements true (T) or false (F)
1) ToggleGroup method getToggle returns the Toggle that’s currently selected.
2) Each layout pane has a getChildren method that returns an ObservableList
lection containing the layout’s child nodes.
3) The only way to respond to a property change is via a property binding, which enables
a property of one object to be updated when a property of another object changes.
4) JavaFX properties are observable—when a property’s value changes, other objects can
respond accordingly.
5) Property bindings are limited to JavaFX controls.
1) False. ToggleGroup method getSelectedToggle returns the Toggle that’s currently selected.
2) True.
3) False. You can also respond to property changes with a property listener, which is an event handler that’s invoked when a property’s value changes.
4) True.
5) False. Property bindings are not limited to JavaFX controls. Package ja- vafx.beans.property contains many classes that you can use to define bindable properties in your own classes.
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When only a reference to an object is copied rather than the object’s contents, the copy is called a(n) ____________.
a. shallow copy b. memory copy c. value copy d. reference copy
What is the difference between a float and a double?
a. double variables store integers and float variables store floating-point numbers. b. double variables store numbers with smaller magnitude and coarser detail. c. double variables store numbers with larger magnitude and finer detail. d. None of the above.