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

##### SplayTreeMap class

1. Constructors
2. SplayTreeMap
3. from
4. fromIterable
5. fromIterables
6. of
7. Properties
8. entries
9. hashCode
10. isEmpty
11. isNotEmpty
12. keys
13. length
14. runtimeType
15. values
16. Methods
17. addAll
18. addEntries
19. cast
20. clear
21. containsKey
22. containsValue
23. firstKey
24. firstKeyAfter
25. forEach
26. lastKey
27. lastKeyBefore
28. map
29. noSuchMethod
30. putIfAbsent
31. remove
32. removeWhere
33. toString
34. update
35. updateAll
36. Operators
37. operator ==
38. operator []
39. operator []=

description

# length property Null safety

int length
override

The number of key/value pairs in the map.

## Implementation

    int get length {
      return _count;
    }