system in use
The __________ method provides information about the system in use.
Question 2. Question :
The Swing classes are part of a more general set of UI programming capabilities that are collectively called the __________.
Java Foundation Classes
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.
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.
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?
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.
Question 8. Question :
The __________ method requires four arguments and draws the outline of a rectangle using the current drawing color.
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.
Question 10. Question :
Which of the following is NOT a method of the KeyListener interface?
Question 11. Question :
The __________ method of JCheckBox sets the state of the JCheckBox to true for selected or false for unselected.
Question 12. Question :
The __________ method allows you to draw a String in a JFrame window.
Question 13. Question :
You specify 2D colors by using the __________ method.
Question 14. Question :
The repaint() method calls another method named __________, which calls the paint() method.
Question 15. Question :
Which of the following statements will correctly set a JFrame named myFrame to be visible?
myFrame.Visible = True
myFrame.true = Visible
Question 16. Question :
Applet code runs in a constrained area called a(n) __________.
Question 17. Question :
The JButton, JCheckBox, JComboBox, and JRadioButton components are associated with the __________ method.
Question 18. Question :
Which of the following lines of code are used when creating a JApplet using only the init() method?
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
JMenuBar = new JMenuBar(myBar)
Question 20. Question :
The Color class contains __________ constants.