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ObjectMapper provides functionality for reading and writing JSON, either to and
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Provides a client-side TCP socket.
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A connection to a URL for reading or writing. For HTTP connections, see
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A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
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Patterns are compiled regular expressions. In many cases, convenience methods
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