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A buffer for bytes. A byte buffer can be created in either one of the following
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Collection is the root of the collection hierarchy. It defines operations on
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A Map is a data structure consisting of a set of keys and values in which each
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A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
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This is the central class in the log4j package. Most logging operations, except
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