Usually backed by a read-only data structure such as
org.. Mutable types like
org. also implement the interface by
checking keys.
| Modifier and Type | Method and Description |
|---|---|
| public boolean | Returns: whether the collection contains the objectId.the objectId to find objectId)Returns true if the objectId is contained within the collection. |
| contains | back to summary |
|---|---|
| public boolean contains(AnyObjectId objectId) Returns true if the objectId is contained within the collection.
| |