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oop - What is the definition of interface in object oriented . . . 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 implements it "repeats" the same methods (but provides definition), so the interface looks like a skeleton or an outline of the class
How can I define an interface for an array of objects? OP asked for interface, I assume it is extended with other properties and methods, you cannot do that with a type and also type is more limited than an interfaces in terms of general usability
Whats the difference between interface and @interface in java? 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 for a description of the syntax See the JLS if you really want to get into the details of what @interface means
What is the difference between an interface and abstract class? 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 defined by the implementing class
Implementing two interfaces in a class with same method. Which . . . 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, if the semantic contracts of the two interface method are contradicting, you've pretty much lost; you cannot implement both interfaces in a single class then
Typescript interface default values - Stack Overflow I have the following interface in TypeScript: interface IX { a: string, b: any, c: AnotherType } I declare a variable of that type and I initialize all the properties let x: IX = {
How do you declare an interface in C++? - Stack Overflow A good way to think of this is in terms of inheriting an interface vs inheriting an implementation In C++ you can either inherit both interface and implementation together (public inheritance) or you can inherit only the implementation (private inheritance) In Java you have the option of inheriting just the interface, without an implementation