Java GUI Basics

What is it called when a program is written to respond to the button clicks, menu selections, and other actions of the user in whatever order the user does them?

• Action-driven programminAg

• Event-driven programming.

• User-driven programming

• Mouse-driven programming

The three main parts of a GUI program are:

• Windows, Buttons, Mice

• GUI Components, Graphics, Code

• GUI Components, Event Listeners, Application Code

• Frames, Code, Events

What is the name for a method that responds to events?

• A container method.

• A snoop method.

• A listener method.

• An application method.

What is the base class of nearly all Swing classes?

• Object

• Component

• Swing

• JComponent

In Java, what do you call an area on the screen that has nice borders and various buttons along the top border?

• A window

• A screen

• A box

• A frame.

What method sets the size of the displayed JFrame?

• setSize( int width, int height)

• setSize( int height, int width)

• setVisible( int width, int height)

• setVisible( int height, int width)

Which of the following sets the frame to 300 pixels wide by 200 high?

• frm.setSize( 300, 200 );

• frm.setSize( 200, 300 );

• frm.paint( 300, 200 );

• frm.setVisible( 300, 200 );

How is a GUI component (such as a button) placed into a JFrame?

• insert( Component c )

• add( Component c)

• draw( Component c )

• put( Component c )

What interface must a class implement in order to be a listener for button ActionEvents?

• TextListener

• Runnable

• ActionListener

• ImageConsumer

What method will immediately stop a program?

• System.gc()

• System.exit( 0 )

• System.setErr()

• return()