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64. Can a double value be cast to a byte?
Yes, a double value can be cast to a byte.

65. What is the difference between a break statement and a continue statement?
A break statement results in the termination of the statement to which it applies (switch, for, do, or
while). A continue statement is used to end the current loop iteration and return control to the loop
statement.

66. What must a class do to implement an interface?
It must provide all of the methods in the interface and identify the interface in its implements
clause.

67. What method is invoked to cause an object to begin executing as a separate thread?
The start() method of the Thread class is invoked to cause an object to begin executing as a
separate thread.

68. Name two subclasses of the TextComponent class.
TextField and TextArea

69. What is the advantage of the event-delegation model over the earlier event-inheritance
model?
The event-delegation model has two advantages over the event-inheritance model. First, it
enables event handling to be handled by objects other than the ones that generate the events (or
their containers). This allows a clean separation between a component's design and its use. The
other advantage of the event-delegation model is that it performs much better in applications
where many events are generated. This performance improvement is due to the fact that the
event-delegation model does not have to repeatedly process unhandled events, as is the case of
the event-inheritance
model.

70. Which containers may have a MenuBar?
Frame
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