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>>|