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A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
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HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
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Factory and utility methods for Executor, ExecutorService,
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A TimeUnit represents time durations at a given unit of granularity and provides
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- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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Basic implementation of javax.sql.DataSource that is configured via JavaBeans
properties. This is no
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