Dart Map clear()

Map clear()

Map clear() method removes all the key-value pairs from this Map.

Syntax

The syntax to remove all the entries from the Map map1 is

map1.clear();

The method returns void.

Examples

Remove all entries from the Map

In the following Dart Program, we take a Map map1, and remove all the key-value pairs from this map1 using Map.clear() method.

main.dart

void main() {
    var map1 = {'apple': 25, 'banana': 10};
    map1.clear();
    print(map1);
}

Output

{}

Conclusion

In this Dart Tutorial, we learned how to remove all the entries from this Map, using Map.clear() method.