src/share/classes/java/util/TreeSet.java

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*** 450,468 **** /** * @since 1.6 */ public E pollFirst() { Map.Entry<E,?> e = m.pollFirstEntry(); ! return (e == null)? null : e.getKey(); } /** * @since 1.6 */ public E pollLast() { Map.Entry<E,?> e = m.pollLastEntry(); ! return (e == null)? null : e.getKey(); } /** * Returns a shallow copy of this {@code TreeSet} instance. (The elements * themselves are not cloned.) --- 450,468 ---- /** * @since 1.6 */ public E pollFirst() { Map.Entry<E,?> e = m.pollFirstEntry(); ! return (e == null) ? null : e.getKey(); } /** * @since 1.6 */ public E pollLast() { Map.Entry<E,?> e = m.pollLastEntry(); ! return (e == null) ? null : e.getKey(); } /** * Returns a shallow copy of this {@code TreeSet} instance. (The elements * themselves are not cloned.)