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Wraps either an existing OutputStream or an existing Writerand provides
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
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A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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The org.slf4j.Logger interface is the main user entry point of SLF4J API. It is
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This Graphics2D class extends the Graphics class to provide more sophisticated
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