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A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
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HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
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A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
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An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
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