# | Line 541 | Line 541 | public class ConcurrentSkipListSet<E> | |
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541 | } | |
542 | public E pollFirst() { | |
543 | Map.Entry<E,?> e = s.pollFirstEntry(); | |
544 | < | return (e == null)? null : e.getKey(); |
544 | > | return (e == null) ? null : e.getKey(); |
545 | } | |
546 | public E pollLast() { | |
547 | Map.Entry<E,?> e = s.pollLastEntry(); | |
548 | < | return (e == null)? null : e.getKey(); |
548 | > | return (e == null) ? null : e.getKey(); |
549 | } | |
550 | ||
551 | } |
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