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Return the contained value, if present, otherwise throw an exception to be
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A specialized Writer that writes to a file in the file system. All write
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This class represents a server-side socket that waits for incoming client
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A controller for the selection of SelectableChannel objects. Selectable channels
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A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
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Reflections one-stop-shop objectReflections scans your classpath, indexes the
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