Java II Chapter 13 & 14

A label's preferred size is determined only by calling the setPreferredSize method

False

A read-only text field uses the JReadOnlyTectField component

False

By default the scroll bars are always displayed in a JList compnent.

False

In the following code the setPreferredSize method sets the size of the text, "Have a good day". label = new Jlabel("Have a good day", Swing Constants.CENTER); label.setPreferredSize(new Dimension(400,200));

False

The applet class requires that you write a constructor to create an object of the class.

False

Whenever you need a component of any type to be painted, call the paint method.

False

An applet does not have to be on a Web server in oreder to be executed.

True

Both AWT classes and Swing classes ultimately inherit from the Component class

True

For all Swing components EXCEPT JApplet and JFrame, you should override the paint Component method instead of the paint method

True

HTML describes the content and layout of a Web page, and creates links to other files and Web pages, but does not have sophisticated abilities such as performing math calculations and interacting with the user

True

Some browsers do not directly support the Sing classes of applets

True

The brower creates an instance of the applet class automatically.

True

The delay parameter in the Timer constructor is the amount of time between action events, measured in milliseconds.

True

The following getAudioClip() method returens an object that will load the sound file and assign the location of that file to clip which can then be used to call methods that may play the sound file one or more times: Audioclip clip = getAudioClip(getDocumentBase(), "mysound.wav");

True

The play method will load and play a sound file once, then release it for garbage collection. The getAudioClip method will load the sound file and may assign the location of the sound file to a variable so it may be invoked many times

True

When a JList component is added to a JScrollPane object, a border will automatically appear around the list

True

When creating images, the argument passes to the image parameter in the JLabel contructor can be an ImageIcon object, or any object that implements the Icon interface.

True

When using a slider, by default, tick marks are not displayed, and setting their spacing does not cause them to be displayed

True

You can create a label with an image, or with both an image and text.

True

When you write a change listener class method for a slider, it must implement the ChangeListener interface which is in the javax.swing.event package

Ture