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Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
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A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
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The Manifest class is used to obtain attribute information for a JarFile and its
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General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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