Advertisements I have the following list and use LinkedHashMap and I want to increase the value of the key by 1 (if the key is not present in the map, it starts from 0 and I add +1): int nums[] = new int[]{4, 10, 5, 4, 2, 10}; Map<Integer, Integer> map = new LinkedHashMap<>(); for… Read More How to increase HashMap value using merge method in Java?
Advertisements Hi I am getting this error Though this error has been asked by multiple people but I cannot seem to address this in my scenario How do I correct this error I cannot seem to comprehend how to solve this Here is the code: child:FutureBuilder<List<Articles>>( future: fetchApiData(), builder: (context, snapshot) { if (snapshot.hasData) {… Read More Flutter error: type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'List<dynamic>
Advertisements I want to get the Client name from the Api using fromMap() method as shown bellow: factory Order.fromMap(Map<String, dynamic> map) { return Order( created_at: Tracker.decode(map[‘created_at’]), id: map[‘id’], updated_at: Tracker.decode(map[‘updated_at’]), total_price: map[‘total_price’], status: map[‘status’], client: map[‘client’] ); } client is an object of Client Model .. I got the following error: type ‘_InternalLinkedHashMap<String, dynamic>’ is… Read More type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'Client' in type cast in flutter?
Advertisements Trying to "compress" a string by replacing duplicate characters with numbers (For example, the string aabcccccaaa would become a2blc5a3). I tried to use a Linked HashMap to solve the problem because the input order needs to be preserved, but the counter I created doesn’t seem to be incrementing properly. Any insight would be greatly… Read More Linked Hash Map counter not properly incrementing
Advertisements This is my map Map<LocalDate,List<Integer>> map = new LinkedHashMap<>(); Question 1: How to compute the sum for each list in Map<> Output of the Map<> 2020-01-22 [0, 0, 7, 0, 0, 0, 0, 0, 3, 8, 0, 4,0] 2020-01-23 [0, 0, 7, 0, 0, 0, 0, 0, 3, 0, 0, 4,0] 2020-01-24 [0, 0,… Read More How to compute sum for each list in Map<>?