immutability
How to get a List of (immutable and mutable) Sets in scala?
I try to build a list of (mutable and immutable) Sets. The compiler gets into trouble as it cannot figure out the type of that list. I always thought that I can connect Lists of any types and that the[详细]
2023-03-21 00:40 分类:问答Setting final variables via Factory Pattern
I am using GWT and am constrained to having zero argument constructors. This means that I am using a static factory method on each class in order to set member variables:[详细]
2023-03-20 19:05 分类:问答VB.NET linq group by with anonymous types not working as expected
I was toying around with some of the linq samples that come with LINQPad.In the \"C# 3.0 in a Nutshell\" folder, under Chater 9 - Grouping, there is a sample query called \"Grouping by Multiple Keys\"[详细]
2023-03-20 15:15 分类:问答In Java, is the immutability of Strings considered in the implementation of String.format()?
Since Strin开发者_如何学Gogs in Java are immutable, I\'ve always used StringBuilder or StringBuffer to concatenate Strings.Does the String.format() method handle this issue as well as StringBuilder or[详细]
2023-03-20 06:10 分类:问答Does Scala have record update syntax for making modified clones of immutable data structures?
In Mercury I can use: A = B^some_field := SomeValue to bind A to a copy of B, except that some_field is SomeValue instead of whatever it was in B. I believe the Haskell equivalent is something like[详细]
2023-03-19 09:34 分类:问答Java - Immutable array thread-safety
I have a question regarding the Java Memory Model. Here is a simple class presenting the problem: public class ImmutableIntArray {[详细]
2023-03-19 02:14 分类:问答Java Immutable List
I am currently building an LRU cache where I need to store the last N inserted items.Items will be inserted frequently (i.e. many write operations) and read operations will typically return a large nu[详细]
2023-03-18 20:46 分类:问答Synchronize to ensure that reference to immutable object will be seen by another thread
I was studying this to understand the behavior of final fields in the new JMM (5 onwards). This concept is clear:guaranteed visibility of initialized final fields to all threads after the object is pr[详细]
2023-03-17 23:21 分类:问答Java:Immutability and serialization
When I have an immutable parent class A that is NOT final, and another class B extends it(B is mutable), is there any way the immutability of A c开发者_运维知识库an be affected because of serializatio[详细]
2023-03-17 19:28 分类:问答What is the theory behind mutable and immutable types?
One of the things that I admire about Python is its distinction between mutable and immutable types. Having spent a while programming in c before coming to Python, I was astonished at how easily Pytho[详细]
2023-03-17 06:36 分类:问答