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Return the contained value, if present, otherwise throw an exception to be
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Collection is the root of the collection hierarchy. It defines operations on
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A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
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SortedSet is a Set which iterates over its elements in a sorted order. The order
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TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
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A Handler object accepts a logging request and exports the desired messages to a
target, for example
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