Why doesn't LinkedHashMap keyset() return LinkedHashSet vs Set?
"why doesn't the source code of LinkedHashMap return an Object of type Set that guarantees order like LinkedHashSet?" Because LinkedHashSet is a concrete class with it's own …
Difference between HashMap, LinkedHashMap and TreeMap
What is the difference between HashMap, LinkedHashMap and TreeMap in Java? I don't see any difference in the output as all the three has keySet and values. Also, what are Hashtables? …
spring boot - Why does RestTemplate returns …
Jul 23, 2019 · Here I want to know, why it doesn't throw exception when restTemplate returns ArrayList<LinkedHashMap> and assign it to List<Template>? They are differnt types.
`ArrayList of HashMap` or `LinkedHashMap` to get item by index
Sep 23, 2013 · 2 I think the LinkedHashMap is the best solution, but to get the item, you can use hashMapObject.values().toArray()[index] However, the toArray method will be slow for large …
Why is this access-order LinkedHashMap ordering changing when …
As specified in the Javadoc for LinkedHashMap, insertion order is not affected if a key is re-inserted into the map. However, while running the below program, I notice that inserting the …
adding LinkedHashMap in ModelAndView object and get it in jsp …
Jul 3, 2014 · In spring controller, can i add LinkedHashMap to ModelAndView object so that i can get that map in jsp page and can do further processing.Please suggest. …
Sorting LinkedHashMap based on its values - Stack Overflow
How can I sort a LinkedHashMap<String, Integer> based on its values?. I need to sort it based on the values which are Integers.
How to get ordered type of Map from method …
Jun 21, 2017 · but How can I get LinkedHashMap instead HashMap from method "Collectors.groupingBy". I found some data in javadoc but I can`t get what I must to do with …
When to use linkedhashmap over hashmap in java?
Apr 20, 2019 · LinkedHashMap is a linked list implementing the map interface. As said in the API documentation: Hash table and linked list implementation of the Map interface, with …
Parsing Json with linked hashmap java using JsonPath
I have some json that contains a linked hashmap I can get the element I want using gson like this Gson gson = new GsonBuilder().create() JsonObject job = gson.fromJson(message.getBody(), …