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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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A writable sink for bytes.Most clients will use output streams that write data
to the file system (
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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 parser that parses a text string of primitive types and strings with the help
of regular expressio
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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