Chapter 12

Question 1

Describes any hypothetical person who might be using a computer and its programs

Answer 1

User

Question 2

Part of the computer with which the user interacts

Answer 2

User interface

Question 3

Requires the user to type commands

Answer 3

Command line interface or console interface

Question 4

Allows the user to interact with the operating system and application programs through graphical elements on a screen

Answer 4

GUI programming (graphical user interface, or “gooey”)

Question 5

What is a label control

Answer 5

Displays text

Question 6

What is a TextField control

Answer 6

appears as a rectangular region that can accept keyboard input from the user

Question 7

What is a button control

Answer 7

Rectangular control that appears as a button with a caption written across its face

Question 8

What is a scene graph

Answer 8

Tree-like hierarchical data structure

Question 9

What is a root node

Answer 9

Parent of all other nodes

Question 10

What is a branch node

Answer 10

Can have other nodes as children

Question 11

What is a leaf node

Answer 11

Cannot have chikdren

Question 12

What is the foundation class of JavaFx?

Answer 12

Application class

Question 13

The primary purpose of this type of control is to display text

Answer 13

Label

Question 14

This type of control appears as a rectangular region that can accept keyboard input from the user

Answer 14

TextField

Question 15

Typically when the user clicks this type of control an action takes place

Answer 15

Button

Question 16

In memory, the GUI objects in a scene are organized as nodes in this type of structure

Answer 16

Scene Graph

Question 17

There can only be one of these in a scene. It is the parent of all other nodes

Answer 17

Root node

Question 18

This type of node can have other nodes as children

Answer 18

Branch node

Question 19

This type of node cannot have nodes as children

Answer 19

Leaf node

Question 20

All JavaFx applications must extend the _____ class

Answer 20

Application

Question 21

This container arranges its contents in a single, vertical row

Answer 21

Vbox

Question 22

You use this class to load an image file into memory

Answer 22

Image

Question 23

You can use this class to actually display an image

Answer 23

ImageView

Question 24

The EventHandler interface specifies a method named

Answer 24

Handle

Question 25

The BorderPane layout container has five regions known as which of the following

Answer 25

Top, bottom, left, right, center

Question 26

What type of object does a layout container’s getChildren()

Answer 26

Observable List

Question 27

True or false: The stage class is in the JavaFx.scene package

Answer 27

False

Question 28

TRUE OR FALSE: The HBox container makes all of the nodes it contains of the same height.

Answer 28

False

Question 29

TRUE OR FALSE: You can nest a layout container inside of another layout container

Answer 29

True

Question 30

TRUE OR FALSE: Only one object at a time may be placed into a BorderPane region

Answer 30

True