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A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
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An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
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A map that has its keys ordered. The sorting is according to either the natural
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General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
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Used to perform Get operations on a single row. To get everything for a row,
instantiate a Get objec
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