@Override public boolean hasNext() { if (cur == null || !cur.hasNext()) { if (!uber.hasNext()) { return false; } cur = uber.next().iterator(); } return cur.hasNext(); }
@Override public boolean hasNext() { if (cur == null || !cur.hasNext()) { if (!uber.hasNext()) { return false; } cur = uber.next().iterator(); } return cur.hasNext(); }