can we implement polymorphism using interface in c开发者_高级运维#? any example .Yes. E.g. See the way many collections in the framework implement IList<T> so code that only depends on that int
I program a class in which I have a method which takes an callback object from an external software. At the moment Eclipse says that it does not know the type of the object I gave as argument (it is e
I\'m looking for a thin, generic layer (probably written in PHP) that sits between a database (probably MySQL) and web service clients (which could be anything).I imagine there would be config files o
Somebody, who was working on my code before me, created some method and passed Runnable as parameter, more likely:
I have a project with all my Interface definitions:RivWorks.Interfaces I have a project where I define concrete implmentations: RivWorks.DTO
I would think that adding that attribute to an interface would be helpful make sure you do not create classes that use the interface and forget to make them serializable.
I am learning Java and just found that the Interface can have fields, which are public st开发者_如何学Catic and final. I haven\'t seen any examples of these so far. What are some of the use cases of t
Can anyone please explain to me what is the difference between IEnumerable & IEnumerator , and how to use t开发者_JAVA技巧hem?
I\'m trying to get a UISplitViewController working with an iPad app. I have the table view controller linked up under the Master pane and a plain UIView under the Detail view.
I have an abstract class Airplane, and two classes PassengerAirplane and CargoAirplane, which extend class Airplane.