Dart Map example

5 Answers. A map is not a list of pairs, you cannot access by index. You can access the keys, values and entries (pairs of key and value) as Iterable s .

To declare a map using map literals, you need to enclose the key-value pairs within a pair of curly brackets “{ }” .

Add item to a Map in Dart/Flutter There are 2 way to add an item (key-value pair) to a Map: using square brackets [] calling putIfAbsent() method .16 Mar 2022