java chapter 14 part 2
GUI components
graphical user interface components, such as buttons and text fields, with which the user can interact.
Abstract Windows Toolkit (AWT)
a set of GUI components that predates Swing and is less portable than the set of Swing components.
heavyweight components
components that require interaction with the local operating system. Contrast with lightweight components.
Java Foundation Classes (JFC)
selected classes from the java.awt package, including Swing component classes.
Swing
a set of GUI elements such as dialog boxes and buttons that is newer and more portable than the set in the AWT; their names usually begin with J.
deprecated
describes a Java language feature that is considered obsolete.
lightweight components
components written completely in Java that do not have to rely on the code written to run in the local operating system. Contrast with heavyweight components.
frame
a GUI component that is similar to a window, but that has a title bar and border.
window
a rectangular container that can hold GUI components.
Pixels
the picture elements, or tiny dots of light, that make up the image on a video monitor.
container
a type of component that holds other components so they can be treated as a single entity.
label
an uneditable GUI component that most often is used to provide information for a user.
window decorations
the icons and buttons that are part of a window or frame.
Editable
describes a component that can accept keystrokes.
Look and feel (L & F)
the elements of design, style, and functionality in a user interface.
flow layout manager
a layout manager that places components in rows; when any row is filled, additional components automatically spill into the next row.
font
the size, weight, and style of a typeface.
layout manager
class that controls component positioning in a UI environment.
border layout manager
a layout manager that divides a container into regions.
text field
a GUI component into which the user can type a single line of text data.
source of an event
a component on which an event is generated.
button
a GUI component typically used to trigger an action or make a selection when the user clicks it.
event-driven program
a program in which the user might initiate any number of events in any order.
event
result when a user takes action on a component.
listener
an object that is interested in, and reacts to, an event.
combo box
a GUI component that combines a display area showing a default option and a list box containing additional options.
register
to sign up an object as an event listener.
check box
a GUI element with a label and a clickable square that frequently is used to turn an option on or off.
event handler
a method that executes because it is called automatically when an appropriate event occurs.
button group
a GUI component that groups other components, such as check boxes, so a user can select only one at a time.