Chapter 13

Question 1

Components

Answer 1

1. Individual parts that a GUI is built from
2. Represented by objects

Question 2

Layout

Answer 2

1. Deals with the issue of how to arrange the components on screen
2. achieved by using layout managers

Question 3

Event handling

Answer 3

-the task of reacting to user events, such as mouse button clicks or keyboard input

Question 4

What are the 3 GUI libraries?

Answer 4

1. AWT (Abstract Window Toolkit)- the oldest, introduced as part of original Java API
2. Swing
3. JavaFX library

Question 5

What does the J in the class JButton indicate?

Answer 5

It is a swing version class, marked by J because there is an equivalent class in AWT named Button.

Question 6

Almost everything you see in a GUI is contained in a __

Answer 6

Top-level window- which is one that is under the control of the operating system’s window management and which typically can be moved, resized, minimized, and maximized independently

Java calls them frames, JFrame class in Swing

Question 7

Which 3 packages should always be imported completely in our GUI programs?

Answer 7

java.awt, java.awt.event, and javax.swing - needed for all Swing apps

Question 8

A frame consists of what 3 parts?

Answer 8

1. title bar
2. optional menu bar
3. content pane

Question 9

Components are placed in a frame by adding them to the frame’s _ or _

Answer 9

menu bar or content pane

Question 10

T/F: Immediately following the creation of the JFrame the frame will be visible and its content pane will be empty.

Answer 10

F: Immediately following the creation of the JFrame the frame will be invisible and its content pane will be empty.