Collections are data structures used to store and process a group of elements.
Dart does not support Arrays.
Dart collections provide multiple classes with generics.
Dart collections
Following are classes supported in dart collections.
|Collections | Description | Generics Classes|
|:——–| ————— |
|List| List is an order collection for storage that allows duplicates. Fixed and dynamic lists types|
List<T>,|
|Set| Set is similar to List except duplicates elements are allowed|Set<T>,HashSet<K, V>,LinkedHashSet<K, V>|
|Maps| Stores key and value pairs similar to Hashtable and Dictionary in another programming language |Map<K, V>, MapBase<K, V>, HashMap<K, V>, LinkedHashMap<K, V>|
|Queue| Separate collection type to update and add from both ends| Queue<T>,DoubleLinkedQueue<T>,LinkedList<T extends LinkedListEntry<T>>|