Method iterator

src/main/java/org/mapdb/BTreeMapJava.java:459–467

()

        }

        @Override
        public Iterator<E> iterator() {
            if (m instanceof ConcurrentNavigableMapExtra)
                return ((ConcurrentNavigableMapExtra<E,Object>)m).keyIterator();
            else if(m instanceof SubMap)
                return ((BTreeMapJava.SubMap<E,Object>)m).keyIterator();
            else
                return ((BTreeMapJava.DescendingMap<E,Object>)m).keyIterator();
        }
        @Override
        public boolean equals(Object o) {
            if (o == this)