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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 connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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The base class for all formats. This is an abstract base class which specifies
the protocol for clas
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
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Factory and utility methods for Executor, ExecutorService,
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A collection that associates an ordered pair of keys, called a row key and a
column key, with a sing
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A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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