Is it possible to create a Map in Java using the concept of pair that exists in C ++? I have tried using the form below, however, I can not assign values to my map.
Map<String, Entry<Entry<Integer,Integer>,String>...
I need to map an array of strings to a dictionary so that I can later test whether an informed string is valid by checking that it is part of dict , and would like to retrieve some other information stored in dict .
For th...
I have a lot of attributes coming as dot-delimited strings like "company.id", "company.address.number", "user.name", "isAtive", and I need to create a nested JSON with their respective values. These attributes and values are in a HashMap.
Not...
When returning the hashmap to javascript I get the following error:
The resource identified by this request is only capable of generating
responses with characteristics not acceptable according to the request
"accept" headers.
Call...
There is some performance gain using the .replace() method instead of using .put() in a Map .
Studying Maps I noticed that the .put() and .replace() method have practically the same function. I made a...
I have a text where I am handling various things. Now I need to get the 3 words that repeat the most in the entire text.
How can I do this? What is the best solution?
I thought about storing in a list but I do not know how to put the word and...
What I want is to do a data binding as follows:
(<<Integer>, <Integer>, ArrayList<Integer>)
I tried to create a HashMap<Integer,HashMap<Integer,ArrayList<Integer>>> the problem is that I forgot...
How can I go through the values of a HashMap through a given key?
An example to illustrate: I have a HashMap named values, with a key that is an id represented by String and a value that is an integer.
HashMap<String, Integer> valores...
I have the following map:
private static Map<ParseCreator, Parseable> map = new HashMap<>();
I run this map as follows:
for (Map.Entry<ParseCreator, Parseable> entry : map.entrySet()) {
ParseCreator creator = ent...
I would like to know how I could map the users that connect based on their unique id's and id session so that when there are more than 3 sessions for this id, the users who connected first are removed from the HashMap and so on.
Example:
Us...