jodd-core/src/main/java/jodd/util/collection/SortedArrayList.java
@Override
	public boolean addAll(final Collection<? extends E> c) {
		Iterator<? extends E> i = c.iterator();
		boolean changed = false;
		while (i.hasNext()) {
			boolean ret = add(i.next());
			if (!changed) {
				changed = ret;
			}
		}
		return changed;
	}
@Override
	public boolean addAll(final Collection<? extends E> c) {
		Iterator<? extends E> i = c.iterator();
		boolean changed = false;
		while (i.hasNext()) {
			boolean ret = add(i.next());
			if (!changed) {
				changed = ret;
			}
		}
		return changed;
	}
Add all of the elements in the given collection to this list.