/guava/android/guava/src/com/google/common/collect/Sets.java
Iterables.addAll( set, iterable) ;Collections.addAll( set, elements) ;
Collections.addAll ( set, elements ) ;
} public static <E extends @Nullable Object> HashSet<E> newHashSet() { return new HashSet<E>(); } public static <E extends @Nullable Object> HashSet<E> newHashSet(E... elements) { HashSet<E> set = newHashSetWithExpectedSize(elements.length); <extra_id_0> return set; } public static <E extends @Nullable Object> HashSet<E> newHashSet(Iterable<? extends E> elements) { return (elements instanceof Collection) ? new HashSet<E>((Collection<? extends E>) elements) : newHashSet(elements.iterator());