May 19, 2010 · 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 …

Dec 16, 2009 · 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 …

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 …

Jan 26, 2009 · 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 dirty …

Interface - describe the behavior Class - do the behavior A class extending another class inherits the behavior. On the other hand, implementing an interface just says it need to behave that way but the …

Jul 8, 2009 · That having been said, an interface constraint on T should allow reference comparisons between T and any other reference type, since reference comparisons are allowed between any …

Hi, interface and type, looks similar but interfaces can use for "Declaration merging" and "Extends and implements" which "type" cannot do.

Aug 20, 2010 · In Java to implement multiple inheritance we use interfaces. Is it the only use of interfaces? If yes, what is the main use of interface in Java? Why do we need interfaces in Java?

Implementing interfaces with abstract base classes is much simpler in modern Python 3 and they serve a purpose as an interface contract for plug-in extensions. Create the interface/abstract base class:

Jul 7, 2010 · GUI is "graphical user interface" and UI is just "user interface." GUI is a subset of UI. UI can include non-graphical interfaces such as screen readers or command line interfaces which aren't …