It’s weird that this is the first time I’ve bumped into this problem, but: How do you define a constructor in a C# interface? Edit Some people wanted an...
What is the difference between abstract class and interface in Python? 8 s 8 What you’ll see sometimes is the following: class Abstract1: """Some description that tells you it's...
This question already has answers here: What does it mean to “program to an interface”? (32 answers) Closed 2 years ago. (1) List<?> myList = new ArrayList<?>(); (2) ArrayList<?>...
Java 8 allows for default implementation of methods in interfaces called Default Methods. I am confused between when would I use that sort of interface default method, instead of...
Does reflection in C# offer a way to determine if some given System.Type type models some interface? public interface IMyInterface {} public class MyType : IMyInterface {} // should...
What are the differences in implementing interfaces implicitly and explicitly in C#? When should you use implicit and when should you use explicit? Are there any pros and/or cons...
Please explain in an easy to understand language or a link to some article. 19 s 19 extends is for extending a class. implements is for implementing an interface...
When should I use an interface and when should I use a base class? Should it always be an interface if I don’t want to actually define a base...
How do I setup a class that represents an interface? Is this just an abstract base class? 17 s 17 To expand on the answer by bradtgmurray, you may...
I have seen this mentioned a few times and I am not clear on what it means. When and why would you do this? I know what interfaces do,...