Tree map (java platform se 8 ) The set interface (the java™ tutorials collections interfaces) The map interface (the java™ tutorials collections interfaces) The list interface (the java™ tutorials collections interfaces) Linked list (java platform se 8 ) Linked hashmap (java platform se 8 ) Hash set (java platform se 8 ) Hash map (java platform se 8 ) Array list (java platform se 8 ) 
