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import java.util.Random; |
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/** |
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* A synchronization point at which two threads can exchange objects. |
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* Each thread presents some object on entry to the {@link #exchange |
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* exchange} method, and receives the object presented by the other |
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* thread on return. |
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* A synchronization point at which threads can pair and swap elements |
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* within pairs. Each thread presents some object on entry to the |
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* {@link #exchange exchange} method, matches with a partner thread, |
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* and receives its partner's object on return. |
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* |
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* <p><b>Sample Usage:</b> |
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* Here are the highlights of a class that uses an <tt>Exchanger</tt> to |
