Choose the most correct answer to all the following questions.

Read them carefully to ensure you understand the question.

1. A Jframe is considered a root container in a Java GUI application.

   1.   ?    True
   2.   ?    False

2. A Jlabel may contain text, a graphic, or both.

   1.   ?    True
   2.   ?    False

3. Java GUI application are not generally considered to be event driven.

   1.   ?    True
   2.   ?    False

4. In order to display a Java Component, it must be part os a containment hierarchy.

   1.   ?    True
   2.   ?    False

5. What method is used to assigne a new Layout Manager to a Container?

   1.   ?    setLayout()
   2.   ?    getLayout()
   3.   ?    addLayout()
   4.   ?    addLayout(container name)

6. List, in order, the two arguments that are required to set the size of a container.

   1.   ?    width and length
   2.   ?    rows and columns
   3.   ?    height and width
   4.   ?    none of the above

7. What geometric shape represents all visual elements of a GUI application?

   1.   ?    a rectangle
   2.   ?    a square
   3.   ?    a cube
   4.   ?    an open cube

8. How many lines of text may be contained in a Jlabel?

   1.   ?    1
   2.   ?    2
   3.   ?    an infinite amount
   4.   ?    as many as is set

9. List the objects of the inheritance hierarchy for a JFrame object, in order (least derived to most derived); do not include JFrame.
   (in alpha order: Component, Container, Frame, Object, Window)

   
   
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10. Explain the two required steps (actions) to implement Event Handling.

    1.   ?    Event handler component must register a listener event.
       
       Listener event must implement required interface.
    2.   ?    Event source component must register a listener object.
       
       Listener object must implement required interface or extend required adapter class.
    3.   ?    Listener object must extend required adapter class.
       
       Event handler must register a listener object.

11. What is an adapter class?
    (choose the most correct answer)

    1.   ?    A listener interface inherites all methods and fields of an adapter class.
    2.   ?    An adapter class extends all methods in an event handler.
    3.   ?    An adapter class extends all methods in a listener interface.
    4.   ?    An adapter class defines all abstract methods in a listener interface.