Which is better abstract class or interface

Which is better abstract class or interface

Interface can have only abstract methods.Abstract classes are similar to normal classes, with the difference that they can include abstract methods.An abstract keyword is used to create an abstract class.Means, there is no logic in it.The main difference between an abstract class and an interface is that, in.In c#, an interface is used to define the outer abilities of a class.

Let's take a look at the differences and.Variables declared in a java interface are by default final.From java 8, it can have default and static methods also.Since java 8, it can have default and static methods also.Interface specify contract of the class.Interface is used to create interfaces.

The member of the interface cannot be static.In an abstract class, all data member or functions are private by default.* abstract class is used for sharing functionality among subclasses.Differences between abstract classes and interfaces.In abstract class,the class can extend at the most one abstract class whereas the interface help to implement the extension n number of times as per the user.Abstract classes provide a simple and easy way to version your components.

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