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KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
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A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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A collection that associates an ordered pair of keys, called a row key and a
column key, with a sing
- Rectangle (java.awt)
A Rectangle specifies an area in a coordinate space that is enclosed by the
Rectangle object's top-
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