Exam 12: Overview of UML

The layout manager can be specified as an argument of the JPanel constructor, or it can be set in any Container by calling the method flowLayoutManager.

The interface EventListener has no methods. Such interfaces are known as ____.

A(n) ____ combines a button or editable field and a drop-down list.

All graphics coordinates are in units of ___________________.

The ____ class is an abstract class that provides the interface between the Java API and the physical device on which the image is created.

A(n) ____________________ is a method that is to be called when an action event occurs.

A button is a type of component.

To facilitate mutual exclusion, radio buttons are placed into a(n) ____________________.

The Java API java.text contains the class ____, which can be used to format numbers either as pure numbers or as currency.

A toolbar contains icons that can be selected by a mouse click.

JPanel cannot be used as a painting surface.

A primary purpose of the ____ API is to enable a programmer to develop a GUI for a Java application.

The ____________________ is the base class for all other Swing components, except the top-level containers JFrame, JDialog, JAPPlet, and JWindow.

All user interfaces are displayed within a(n) ____.

____ are triggered by making a selection from a list of items.

____ Layout places components in either a horizontal or vertical arrangement.

____________________ buffering allows for flicker-free updates at the cost of additional memory.

Class ActionEvent is a subclass of the abstract class ____________________.

A(n) ____ is a general-purpose intermediate component that is used to organize the other components.

Objects of class ____ must be placed in a containment hierarchy that is rooted in one of the top-level containers.