Reference no: EM131478035

Question 1.
The __________ method provides information about the system in use.
getSystemInfo()
getDefaultToolkit()
getDefaultControlPanel()
getToolkit()

Question 2.
The Swing classes are part of a more general set of UI programming capabilities that are collectively called the __________.
JavaX Classes
Java Foundation Classes
UI packages
Java Extension Libraries

Question 3.
If the beginning and ending points used with the fillPolygon() method are __________, the two endpoints are connected by a straight line before the polygon is filled with color.
connected
coordinate pairs
identical
not identical

Question 4.
__________ contains many commands that allow you to format text on a web page, import graphic images, and link your page to other web pages.
JApplet
HTML
Swing
Applet

Question 5.
If a window is 200 pixels wide by 100 pixels tall, you can place a Button named pressMe in the approximate center of the window with which of the following statements?
pressMe.setLocation(100,50);
pressMe.setPosition(100,50);
pressMe.setLocation(200,100);
pressMe.setPosition(200,100);

Question 6.
You can instantiate an empty Polygon object using which of the following statements?
Polygon someFutureShape = new Polygon(0,0,0,0);
Polygon someFutureShape = new Polygon();
Polygon someFutureShape = new Polygon(0);
Polygon someFutureShape = new Polygon(xPoints, yPoints, xPoints.length);

Question 7.
Use the __________ applet method to perform initialization tasks, such as setting variables to initial values or placing applet components on the screen.
initialize()
begin()
init()
start()

Question 8.
The __________ method requires four arguments and draws the outline of a rectangle using the current drawing color.
clearRect()
drawRect()
fillRect()
paintRect()

Question 9.
If the JApplet class was not already written, you would have to write more than __________ methods to give your JApplet all the capabilities of the built-in JApplet class.
20
50
200
300

Question 10.
Which of the following is NOT a method of the KeyListener interface?
keyTyped()
keyPressed()
keyClicked()
keyReleased()

Question 11.
The __________ method of JCheckBox sets the state of the JCheckBox to true for selected or false for unselected.
void setSelected(boolean)
boolean isSelected()
void setText(String)
String getText()

Question 12.
The __________ method allows you to draw a String in a JFrame window.
drawString()
setFont()
drawLine()
setString()

Question 13.
You specify 2D colors by using the __________ method.
paint()
setPaint()
color()
setColor()

Question 14.
The repaint() method calls another method named __________, which calls the paint() method.
destroy()
actionPerformed()
update()
super()

Question 15.
Which of the following statements will correctly set a JFrame named myFrame to be visible?
myFrame.Visible = True
myFrame.setVisible(true)
myFrame.Visibility.True
myFrame.true = Visible

Question 16.
Applet code runs in a constrained area called a(n) __________.
sandbox
toolbox
appletview
XHTML

Question 17.
The JButton, JCheckBox, JComboBox, and JRadioButton components are associated with the __________ method.
addAdjustmentListener()
addChangeListener()
addWindowListener()
addItemListener()

Question 18.
Which of the following lines of code are used when creating a JApplet using only the init() method?
public add.init()
public void init()
public void start()
public new init()

Question 19.
Which of the following statements will correctly add a JMenuBar named myBar to a JFrame?
myBar = setJMenuBar
setJMenuBar(myBar)
JMenuBar.setJMenuBar(myBar)
JMenuBar = new JMenuBar(myBar)

Question 20.
The Color class contains __________ constants.
3
9
13
16