hashset

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HashSet load factor

If I use a HashSet with a initial capacity of 10 and a load fact开发者_运维技巧or of 0.5 then every 5 elements added the HashSet will be increased or first the HashSet[详细]

2023-01-13 15:09 分类：问答
ordering a hashset example?

I need an example on how to use a comparable class on a 开发者_StackOverflowHashSet to get an ascending order. Let’s say I have a HashSet like this one:[详细]

2023-01-09 13:21 分类：问答
Removing duplicate byte[]s from a collection

This will probably be an extremely simple question. I\'m simply trying to remove duplicate byte[]s from a collection.[详细]

2023-01-08 23:52 分类：问答
Huge performance difference between Vector and HashSet

I have a program which fetches records from database (using Hibernate) and fills them in a Vector. There was an issue regarding the performance of the operation and I did a test with the Vector replac[详细]

2023-01-06 01:06 分类：问答
C#: Dictionary values to hashset conversion

Please, 开发者_开发知识库suggest the shortest way to convert Dictionary<Key, Value> to Hashset<Value>[详细]

2023-01-05 14:20 分类：问答
What's the best way to validate the values of a Set in a unit test?

Okay, often I\'ll have a method that returns a Set of some sort.The problem with unit testing such a method is that there is no guarantee an iteration over the set wi开发者_如何学JAVAll always return[详细]

2023-01-03 20:07 分类：问答
What are the fastest-performing options for a read-only, unordered collection of unique strings?

Disclaimer: I realize the totally obvious answer to this question is HashSet<string>. It is absurdly fast, it is unordered, and its values are unique.[详细]

2023-01-03 16:07 分类：问答
Java HashSet and data type Short, incompatibility?

Running this code: public class SomeSet { public static void main(String[] args) { Set<Short> s = new HashSet<Short>();[详细]

2023-01-02 07:27 分类：问答
Duplicate elements in a hashset

I have a problem with hashsets at the moment. I have classes which are immutable and contain just one item, when I add two different classes with the same data to a hashset, I get them both in the set[详细]

2022-12-28 21:22 分类：问答
Iteration order of HashSet

If every object added to a java.util.HashSet implements Object.equals() and Object.hashCode() in a deterministic fashion, is the iteration order over the HashSet guaranteed to be identical for every i[详细]

2022-12-28 14:10 分类：问答