I know that it\'s typically a big no-no to remove from a list using java\'s \"foreach\" and that one should use iterator.remove().But is it safe to remove() if I\'m looping over a HashMap\'s keySet()?
Here\'s a description of the data structure: It operates like a regular map with get, put, and remove methods, but has a sort method that can be called to sorts the map. However, the map remembers it
Here\'s what I\'m doing (it\'s my \"homework\"): the assignment is to make a map of gerbils and then flip through it using keySet() and get(key);
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari
I am implementing google\'s dense hash map in my C++ code. I want to use MurmurHash2 ( http://murmurhash.g开发者_运维百科ooglepages.com/ ) as a hash function. But here\'s the problem. I have tried a l
I had seen, only the String is used as a key in HashMap.Although the put() method takes Object 开发者_运维技巧as a parameter.What is the significant of it.If any other object can also used as a Key or
I have this test code: import java.util.*; class MapEQ { public static void main(String[] args) { Map<ToDos, String> m = new HashMap<ToDos, String>();
I\'m going to build a hotel table. But I\'m having problems when trying to implement this in Java. My hotel has Level(int id) x Room(int id) x Field(String status, int counter)
I try to delete an item from a hash map with hibernate. Here is my config on the collection: @Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
Here is my use case, I have an object that is logically equal to my HashMap key but not the same object (not ==). I need to get the actuall key object out of the HashMap so that i can synchronise on i
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