Would this be the best way to sort a has开发者_JS百科h and return Hash object (instead of Array):
I have two HashMap objects defined like so: HashMap<String, Integer> map1 = new HashMap<String, Integer>();
the question is simple - I have to implement JTree TreeModel interface which requires that every object has a number. The tree will represent data that are kept in hashmap/hashtable. Keys in that hash
I have a HashMap and is used in the following way: HashMap<SomeInterface, UniqueObject> m_map; UniqueObject getUniqueObject(SomeInterface keyObject)
I have an array of tuples, where each tuple is a 2 t开发者_如何学Gouple with a key and a value. What would be the cleanest way to convert this array of tuples into a hash-map?user=> (into {} [[:a 1
I want to create a hashmap开发者_C百科 to store parameters names and their values. The parameters however are with different types. I could use HashMap[String, Any], but I wouldn\'t know which types t
Question is how much it costs to create an ArrayList from a HashMap.values() Collection? Or creating the values Collection alone?
We have开发者_JAVA百科 a Client/Server application which communicates over RMI. The server sends HashMaps to the client. All works well, however when sending large HashMaps, transfer times can be slow
is it possible to change keys of a the same HashMap instance during iteration ? Because map entry set don\'t have a method entry.setKey(). Now what I can think off is create another HashMap...
I\'m currently doing something like this; import java.util.*; public class TestHashMap { public static void main(String[] args) {
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