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Wraps an existing Writer and buffers the output. Expensive interaction with the
underlying reader is
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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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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An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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