1. Dart
2. dart:collection
3. MapView<K, V>
4. length property

##### MapView class

1. Constructors
2. MapView
3. Properties
4. entries
5. hashCode
6. isEmpty
7. isNotEmpty
8. keys
9. length
10. runtimeType
11. values
12. Methods
13. addAll
14. addEntries
15. cast
16. clear
17. containsKey
18. containsValue
19. forEach
20. map
21. noSuchMethod
22. putIfAbsent
23. remove
24. removeWhere
25. toString
26. update
27. updateAll
28. Operators
29. operator ==
30. operator []
31. operator []=

description

# length property Null safety

int length
override

The number of key/value pairs in the map.

## Implementation

    int get length => _map.length;