1. Dart
2. dart:io
3. NetworkInterface
4. index property

##### NetworkInterface class

1. Constructors
2. NetworkInterface
3. Properties
4. addresses
5. hashCode
6. index
7. name
8. runtimeType
9. Methods
10. noSuchMethod
11. toString
12. Operators
13. operator ==
14. Static properties
15. listSupported
16. Static methods
17. list

description

# index property Null safety

int index

Get the index of the NetworkInterface.

## Implementation

    int get index;