hashmap

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Collection of an own datatype or HashMap

I have to store information to objects of type \"Person\" in a data structure. The information could for example be a simple integer value. The integer values will change frequently, and also the pers[详细]

2023-04-13 08:47 分类：问答
Android HashMap shows only last item

So I\'m getting data from Database and put it into a HashMap and trying to show it on listview. But the problem is that it\'s shows only the last item as text of all textviews and I really can\'t find[详细]

2023-04-13 07:15 分类：问答
Java - Iterate Hashmap?

Iterator<Player> i开发者_运维知识库terator = plugin.inreview.keySet().iterator(); while (iterator.hasNext()) {[详细]

2023-04-13 02:01 分类：问答
Java: Compact a HashMap (analogue of ArrayList#trimToSize)

Is there开发者_运维问答 a way to compact a HashMap in the sense that you can with an ArrayList through its trimToSize() method?[详细]

2023-04-12 21:36 分类：问答
java hashmap with List as value to property

I have a HashMap in the following format. HashMap<String, List<String>> map I\'m trying without any luck to find the best way to write this out to a property file, is this possible? I h[详细]

2023-04-12 15:05 分类：问答
Java: Is this enough to delete objects?

I have a HashMap that keeps references to my applications modules. HashMap<String, Module> modules;[详细]

2023-04-12 10:33 分类：问答
Java HashMap, count Same key entries

so I\'m wo开发者_JAVA技巧rking on an android project, and right now, I\'m dynamically populating a calendar I created. Currently, as each cell in dynamically generated, it Opens the database, does a c[详细]

2023-04-12 08:13 分类：问答
Usage of integers as hash keys

Is it appropriate to use integers as keys in a Ruby hash? Every example from documentation shows a string or symbol being used as a key, but never an integer.[详细]

2023-04-12 02:40 分类：问答
in CoffeeScript, how can I use a variable as a key in a hash?

eg: So: foo = \"as开发者_如何学Pythondf\" {foo: \"bar\"} eval foo # how do I get {\"asdf\": \"bar\"} ?[详细]

2023-04-11 12:11 分类：问答
How to iterate Arraylist<HashMap<String,String>>?

I have an ArrayList object like this: ArrayList<HashMap<String, String>> data = new ArrayList<HashMap<String, String>>();[详细]

2023-04-11 03:47 分类：问答