How to realize the principle of C # Interface isolation
Today, the editor will share with you the relevant knowledge points about how to implement the principle of C# interface isolation. The content is detailed and the logic is clear. I believe most people still know too much about this, so share this article for your reference. I hope you can get something after reading this article, let's take a look at it.
Interface isolation principle (ISP)
Definition: using multiple specialized interfaces is better than using a single master interface. That is, don't put all your eggs in one basket.
Benefits: more flexible, convenient, do not want to achieve or do not need to achieve can not be achieved.
Explanation:
Most people like to declare all the methods they need with one interface, but ISP suggests that it is better to use multiple specialized interfaces than to use a single master interface, that is, if there are more methods in one interface, it is not very convenient to implement.
Sample 1:using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks Namespace interface isolation principle {/ define an interface for learning computers / public interface ILearnComputer {} / define an interface for Internet computers / public interface INetComputer {} / define a student computer class Realize the interface of learning computer and Internet computer / public class StudentComputer: ILearnComputer, INetComputer {public void Learn () {Console.WriteLine ("learning") } public void NetPlay () {Console.WriteLine ("online");}
In the sample code above, two interfaces are defined, and a specific computer class implements two interfaces. If you only want to surf the Internet, you can only implement the interface for surfing the Internet; if you only want to learn, you can only implement the interface for learning.
Sample 2:using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks Namespace interface isolation principle {/ define an interface for learning computers / public interface ILearnComputer {} / define an interface for Internet computers / public interface INetComputer {} / define an abstract class for a student computer Realize the interface of learning computer and Internet computer / public abstract class StudentComputer: ILearnComputer, INetComputer {public abstract void Learn () Public abstract void NetPlay ();}}
For concrete operations, abstract classes and interfaces are used in combination. Use the abstract class to implement the interface and use the abstract class to declare variables when called.
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