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In C# you can put a constraint on a generic method like: public class A { public static void Method<T> (T a) where T : new() { //...do something......
Mockito offers: when(mock.process(Matchers.any(List.class))); How to avoid warning if process takes a List<Bar> instead? 4 Answers 4
I’m trying to create a new object of a type parameter in my generic class. In my class View, I have 2 lists of objects of generic type passed...
From Effective Java by Joshua Bloch, Arrays differ from generic type in two important ways. First arrays are covariant. Generics are invariant. Covariant simply means if X is subtype...
I have used the “select” keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a generic Dictionary<T1, T2> and can’t figure...
You can see what I’m trying (but failing) to do with the following code: protected T GetObject() { return new T(); } Any help would be greatly appreciated. EDIT:...
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you’d use one way over the other. First type: List<string> someList...
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 better/magic way? 28 Answers 28
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 only generate a runtime error when...
The following is a snippet on how to make a java generic class to append a single item to an array. How can I make appendToArray a static method....