Method iterator

lib/java/util/AbstractMap.java:235–253

()

                }

                @Override
                public Iterator<K> iterator() {
                    return new Iterator<K>() {
                        Iterator<Map.Entry<K, V>> setIterator = entrySet()
                                .iterator();

                        public boolean hasNext() {
                            return setIterator.hasNext();
                        }

                        public K next() {
                            return setIterator.next().getKey();
                        }

                        public void remove() {
                            setIterator.remove();
                        }
                    };
                }
            };
        }
        return keySet;