Class MultiMap<K, V>

The total number of values in the multimap.

Returns an iterator of key, value pairs for every entry in the map.

Add the given key / value pair to the multimap.

Add the given set of key / value pairs to the multimap.

Clear all entries in the multimap.

Operates differently depending on whether a value is given:

• With a value, this method deletes the specific key / value pair from the multimap.
• Without a value, all values associated with the given key are deleted.

Returns a stream of key, value pairs for every entry in the map.

Returns a stream of key, value set pairs for every key in the map.

Invokes the given callback function for every key / value pair in the multimap.

Returns an array of all values associated with the given key. If no value exists, an empty array is returned.

Note: The returned array is assumed not to be modified. Use the set method to add a value and delete to remove a value from the multimap.

Operates differently depending on whether a value is given:

• With a value, this method returns true if the specific key / value pair is present in the multimap.
• Without a value, this method returns true if the given key is present in the multimap.

Returns a stream of keys in the map.

Returns a stream of values in the map.