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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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This class represents proxy server settings. A created instance of Proxy stores
a type and an addres
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A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
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