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A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
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A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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Defines the contract between a returned instance and the runtime when an
application needs to provid
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