- Updating database using SQL prepared statement
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Return the original filename in the client's filesystem.This may contain path
information depending
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- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
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KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
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