I don\'t know how to use the hash function in C++, but I know that we can use hash_map. Does g++ support that by simply including #include <hash_map>? What is a simple example u开发者_StackOverf
If I have a JSF backing bean return an object of t开发者_StackOverflow中文版ype ArrayList, I should be able to use <c:foreach> to iterate over the elements in the list.Each element contains a ma
I am trying figure out the order in which the values in a HashMap are/can be retrieved. Heres the code snippet for the same.
I want to implement the put and get-methods for a multikeymap in Java with two keys pointing to a va开发者_开发问答lue. I have written the put-method like this:
Iterator it = myHashMap.keySet().iterator(); while (it.hasNext()) { int next = it.next(); } That doesn\'t work because it.next() returns Object. My hashmap uses ints for keys. All of my methods ac开
I had a HashMap<Node, Double> in Java which I\'d use later on to retrieve the double associated with a node. I\'ve tried to do
I cannot find much documentation about HashMaps in j2开发者_JS百科me. Does anyone have experience with this? How to create a HashMap?
Here\'s a description: It operates like a regular map with get, put, and remove methods, but has a getTopKEntries(int k) method to get the top-K elements, sorted by the key:
I am facing a problem. I used the following hashmap to store some values HashMap<String, Object> hm = new HashMap<String, Object>();
I have a class MyMap which wraps TreeMap. (Say it\'s a collection of dogs and that the keys are strings).
加载中,请稍侯......