This section describes what is an interface - An interface is a like a 'half' abstract class that only declares some abstract methods and has no properties. Classes that implement an interface must implement all abstract methods declared in the interface.©...
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An interface is a class (or struct). It contains methods, properties, indexers or events. It does not provide implementations for any of its methods. The advantage of an interface is that any other class (or interface) can "inherit" (or implement) that interface. It is the C# way to ...
而B选项的意思是 接口中所有的方法 都是抽象的 所以选B 希望能帮到你 谢谢
Techopedia Explains Interface An interface is best explained with an example. The most common example is the connections among a television, a remote control, and a user. A user turns on the TV by using the remote control and may not necessarily know anything about the TV’s wiring. Thus,...
An interface is a construct using the keyword “interface” and is similar to an abstract class but without any implementation code. It is implemented using a colon (:) in C#. For example, IDisposabe is an interface that can be implemented by a C# class to clean up the resources used ...
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I am aware that this is a very basic question, but an interviewer asked me in a very trick way and I was helpless :( I know only material or theoretical definition for an interface and also implemented it in many projects I worked on. But I really don't understa...
USB-C has quickly become the gold-standard in terms of connectivity on an audio interface, but it isn’t the only form that exists on the market. Here are a few other popular options that you’re likely to encounter: •USB 3.0, 2.0 and 1.1– standard USB connectivity is probably the...
Interface: It is an "existing entity" layer between the functionality and consumer of that functionality. An interface by itself doesn't do anything. It just invokes the functionality lying behind. Now depending on who the user is there are different type of interfaces. Command Line Interface (...