What is the difference between a Choice and a List?

Q

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A

A Choice is displayed in a compact form that requires you to pull it down to see the list of available choices. Only one item may be selected from a Choice. A List may be displayed in such a way that several List items are visible. A List supports the selection of one or more List items.

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Under what conditions is an object's finalize() method invoked by the garbage collector?
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What is the difference between a field variable and a local variable?
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