Regular expression quantifier _______ matches zero or more occurrences of an expression.

Answer the following statements true (T) or false (F)

1. The command line interface is an event-driven interface. 2. When programming in JavaFX, you should think of the GUI objects as nodes in a tree-like hierarchical structure known as a scene graph. 3. To display an image in a JavaFX application, you use either the Image or ImageView class. 4. The Pos type must be imported from the javafx.geometry package.

Select the term below that describes a virtual wallet that can be used for mobile or online payments.

a. symmetric encryption b. e-wallet c. digital wallet d. merchant account