- <init>
Create a new multi collection.
- get
Returns the collection to which this map maps the specified key. Returnsnull if
the map contains no
- add
Associates the specified value with the specified key in this map (optional
operation). If the map p
- getCollection
Get the values associated to a key as collection.
- size
Returns the number of elements added to this map.
- keySet
Returns a set view of the keys contained in this map. The set is backed by the
map, so changes to th
- put
Associates the specified value with the specified key in this map (optional
operation). If the map p
- remove
- containsKey
Returns true if this map contains a mapping for the specified key. More
formally, returns true if an
- isEmpty
Returns true if this map contains no key-value mappings.
- getKeys
Get the keys as array.
- removeObject
Remove a special object from the collection of a defined key.