collections
Last In Last Out in Java
I have 90 IDs that I need to something like on the image below. I want the last ID to be popped first and if there are new IDs added to the stack I want to push them on the end of it. Last In 开发者_开[详细]
2023-04-05 00:38 分类：问答Is java.util.Hashtable thread safe?
It\'s been a while since I\'ve used hashtable for anything significant, but I seem to recall the get() and put() methods being synchronized.[详细]
2023-04-05 00:38 分类：问答Manually reordering a collectionview in wpf
I am trying to create a custom control that has the following features: 1. A horizontal listbox backed by a listcollectionview and ultimately an ObservableCollection.[详细]
2023-04-04 18:14 分类：问答Implementation of containsKey HashMap<> - Java
The whole purpose of using containsKey() is to check whether any given key is already in HashMap or not? If it doesn\'t contain that key than just add key into that HasMap.[详细]
2023-04-04 15:51 分类：问答Map.Entry interface in java
java.util.Map.Entry as I know is a开发者_如何学Go public static interface in java.util package that[详细]
2023-04-04 15:28 分类：问答Map of maps and generics
I want to create a (recursive) map of maps.That开发者_C百科 is, the value of type of the Map is another Map of the same type as the outer map.[详细]
2023-04-04 14:27 分类：问答using HQL select fetching collections failed
My problem is that i am not able to include collection properties of a class in my select query I do have a parent/child relation between two classes (Team and Member)[详细]
2023-04-04 14:12 分类：问答Defining Collections without specific type
public static void main(String[] args) { Set vals = new TreeSet(); vals.add(\"one\"); vals.add(1); vals.add(\"two\");[详细]
2023-04-04 12:34 分类：问答Constraint Specific Key - convention for HashMap - Java
Simple question, yet I couldn\'t figure out the answer, Is it possible to constraint key convention for my application\'s HashMap? As I don\'t want future developer who works on it and try to use dif[详细]
2023-04-04 12:31 分类：问答Antijoins with Groovy Collections
This is probably a silly question however, is there a simple way of doing 开发者_JAVA百科antijoins of collections in Groovy?[详细]
2023-04-04 10:28 分类：问答
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