When is an object subject to garbage collection?
An object is subject to garbage collection when it becomes unreachable to the program in which it is used.
What method must be implemented by all threads?
All tasks must implement the run() method, whether they are a subclass of Thread or implement the Runnable interface.
What methods are used to get and set the text label displayed by a Button object?
getLabel() and setLabel()
Which Component subclass is used for drawing and painting?
Canvas
