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Wraps either an existing OutputStream or an existing Writerand provides
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A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
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Collection is the root of the collection hierarchy. It defines operations on
data collections and t
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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