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A connection represents a link from a Java application to a database. All SQL
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A map that has its keys ordered. The sorting is according to either the natural
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A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
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A sequence of elements supporting sequential and parallel aggregate operations.
The following exampl
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General file manipulation utilities. Facilities are provided in the following
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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