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A writable sink for bytes.Most clients will use output streams that write data
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A connection to a URL for reading or writing. For HTTP connections, see
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Calendar is an abstract base class for converting between a Date object and a
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Collection is the root of the collection hierarchy. It defines operations on
data collections and t
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A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
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An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
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