2010年5月19日 · An interface promises nothing about an action! The source of the confusion is that in most languages, if you have an interface type that defines a set of methods, the class that …

2014年4月18日 · The first word in the interface value points at what I call an interface table or itable (pronounced i-table; in the runtime sources, the C implementation name is Itab). The itable begins …

2009年12月16日 · An interface is a good example of loose coupling (dynamic polymorphism/dynamic binding) An interface implements polymorphism and abstraction.It tells what to do but how to do is …

2014年6月25日 · If both interfaces have a method of exactly the same name and signature, the implementing class can implement both interface methods with a single concrete method. However, …

42 The interface keyword indicates that you are declaring a traditional interface class in Java. The @interface keyword is used to declare a new annotation type. See docs.oracle tutorial on annotations …

Yes, your example of defining an interface only for the particular items would be a more useful way to do it. It would be quite rare to have an array of items, but not want to conveniently reference a single …

2009年1月26日 · An Interface is more of a high level architectural tool (which becomes clearer if you start to grasp design patterns) - an Abstract has a foot in both camps and can perform some of the …

2012年7月11日 · The point of an interface is to guarantee that an object will outwardly behave as the interface specifies that it will If you don't implement all methods of your interface, than you destroy …

But Interface is a contract which tells its implantations to provide if it is not an abstract class. And the One important difference between a class and interface is that class inheritance will give relation …

2008年12月21日 · The fundemental problem with questions like this is that it assumes that "programming to an interface" means "wrap everything in an abstract interface", which is silly if you …