This section discusses some of the GUI interface elements that are represented by subclasses of Component.
It also introduces the event classes and listener interfaces associated with each type of component that have
been seen earlier.
The Component class itself defi nes many useful methods that can be used with components of any type.
Some of these have already been used in examples. Let comp be a variable that refers to any component.
Then the following methods are available (among many others):
1. comp.getSize() is a function that returns an object belonging to the class Dimension. This
object ...
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