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Return the original filename in the client's filesystem.This may contain path
information depending
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A writable sink for bytes.Most clients will use output streams that write data
to the file system (
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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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TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
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An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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