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UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
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A java.util.Queue that additionally supports operations that wait for the queue
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Provides an abstract class to be subclassed to create an HTTP servlet suitable
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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Factory that creates instances of DateTimeFormatter from patterns and styles.
Datetime formatting i
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A Rectangle specifies an area in a coordinate space that is enclosed by the
Rectangle object's top-
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