I wanted to move to TypeScript from traditional JS because I like the C#-like syntax. My problem is that I can’t find out how to declare static classes in TypeScript. In C#, I often use static classes to organize variables and methods, putting them together in a named class, without needing to instatiate an object. … Read more
On an ASP.NET website, are static classes unique to each web request, or are they instantiated whenever needed and GCed whenever the GC decides to disposed of them? The reason I ask is because I’ve written some static classes before in C# and the behavior is different than I would have expected. I would have … Read more
Can someone please explain how static variables in member functions work in C++. Given the following class: class A { void foo() { static int i; i++; } } If I declare multiple instances of A, does calling foo() on one instance increment the static variable i on all instances? Or only the one it … Read more
What’s the standard way to call static methods? I can think of using constructor or using the name of the class itself, I don’t like the latter since it doesn’t feel necessary. Is the former the recommended way, or is there something else? Here’s a (contrived) example: class SomeObject { constructor(n){ this.n = n; } … Read more
Let’s say I have a class designed to be instantiated. I have several private “helper” methods inside the class that do not require access to any of the class members, and operate solely on their arguments, returning a result. public class Example { private Something member; public double compute() { double total = 0; total … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 7 years ago. Improve this question I’m making a website now and I am trying to decide if I should make it … Read more
I was looking at the Java code for LinkedList and noticed that it made use of a static nested class, Entry. public class LinkedList<E> … { … private static class Entry<E> { … } } What is the reason for using a static nested class, rather than an normal inner class? The only reason I … Read more
I want to invoke the main method which is static. I got the object of type Class, but I am not able to create an instance of that class and also not able to invoke the static method main. 4 Answers 4
I have several classes that do not really need any state. From the organizational point of view, I would like to put them into hierarchy. But it seems I can’t declare inheritance for static classes. Something like that: public static class Base { } public static class Inherited : Base { } will not work. … Read more
I have just found a static nested interface in our code-base. class Foo { public static interface Bar { /* snip */ } /* snip */ } I have never seen this before. The original developer is out of reach. Therefore I have to ask SO: What are the semantics behind a static interface? What … Read more
