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Return the contained value, if present, otherwise throw an exception to be
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ObjectMapper provides functionality for reading and writing JSON, either to and
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Wraps either an existing OutputStream or an existing Writerand provides
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Allows reading from and writing to a file in a random-access manner. This is
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The abstract base class for all number formats. This class provides the
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Collection is the root of the collection hierarchy. It defines operations on
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This class provides random read access to a zip file. You pay more to read the
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