1. Dart
2. dart:core
3. AbstractClassInstantiationError
4. toString method

##### AbstractClassInstantiationError class

1. Constructors
2. AbstractClassInstantiationError
3. Properties
4. hashCode
5. runtimeType
6. stackTrace
7. Methods
8. noSuchMethod
9. toString
10. Operators
11. operator ==

description

# toString method Null safety

String toString ()
override

Returns a string representation of this object.

## Implementation

    external String toString();