SAINT COM209/ SAINT COM209 MODULE 8 QUIZ 4 (NEW VERSION 2016)

Question

Question 1. Question :

The __________ method provides information about the system in use.

getSystemInfo()

getDefaultToolkit()

getDefaultControlPanel()

getToolkit()

Question 2. Question :

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. Question :

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. Question :

__________ 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. Question :

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. Question :

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. Question :

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. Question :

The __________ method requires four arguments and draws the outline of a rectangle using the current drawing color.

clearRect()

drawRect()

fillRect()

paintRect()

Question 9. Question :

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. Question :

Which of the following is NOT a method of the KeyListener interface?

keyTyped()

keyPressed()

keyClicked()

keyReleased()

Question 11. Question :

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. Question :

The __________ method allows you to draw a String in a JFrame window.

drawString()

setFont()

drawLine()

setString()

Question 13. Question :

You specify 2D colors by using the __________ method.

paint()

setPaint()

color()

setColor()

Question 14. Question :

The repaint() method calls another method named __________, which calls the paint() method.

destroy()

actionPerformed()

update()

super()

Question 15. Question :

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. Question :

Applet code runs in a constrained area called a(n) __________.

sandbox

toolbox

appletview

XHTML

Question 17. Question :

The JButton, JCheckBox, JComboBox, and JRadioButton components are associated with the __________ method.

addAdjustmentListener()

addChangeListener()

addWindowListener()

addItemListener()

Question 18. Question :

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. Question :

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. Question :

The Color class contains __________ constants.

3

9

13

16

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