Is there a generic constructor with parameter constraint in C#?
In C# you can put a constraint on a generic method like: public class A { public static void Method<T> (T a) where … Read more
generics
Mockito: List Matchers with generics
Mockito offers: when(mock.process(Matchers.any(List.class))); How to avoid warning if process takes a List<Bar> instead? 4 Answers 4
Create a new object from type parameter in generic class
I’m trying to create a new object of a type parameter in my generic class. In my class View, I have 2 lists … Read more
Why are arrays covariant but generics are invariant?
From Effective Java by Joshua Bloch, Arrays differ from generic type in two important ways. First arrays are covariant. Generics are invariant. Covariant … Read more
Select a Dictionary with LINQ
I have used the “select” keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a … Read more
C# Create New T()
You can see what I’m trying (but failing) to do with the following code: protected T GetObject() { return new T(); } Any … Read more
foreach vs someList.ForEach(){}
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you’d use one way over … Read more
How do you convert a DataTable into a generic list?
Currently, I’m using: DataTable dt = CreateDataTableInSomeWay(); List<DataRow> list = new List<DataRow>(); foreach (DataRow dr in dt.Rows) { list.Add(dr); } Is there a … Read more
Difference between List, List, List, List, and List
What are the differences between List, List<?>, List<T>, List<E>, and List<Object>? 1. List List: is a raw type, therefore not typesafe. It will … Read more
How to make a Java Generic method static?
The following is a snippet on how to make a java generic class to append a single item to an array. How can … Read more