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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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This class consists exclusively of static methods that operate on or return
collections. It contains
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Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
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Factory that creates instances of DateTimeFormatter from patterns and styles.
Datetime formatting i
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A point representing a location in (x,y) coordinate space, specified in integer
precision.
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