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KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
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- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Logger (org.slf4j)
The org.slf4j.Logger interface is the main user entry point of SLF4J API. It is
expected that loggin
- BufferedImage (java.awt.image)
The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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