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An output stream that writes bytes to a file. If the output file exists, it can
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A specialized Writer that writes to a file in the file system. All write
requests made by calling me
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A connection to a URL for reading or writing. For HTTP connections, see
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Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
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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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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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