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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
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
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
oop - When to use an interface instead of an abstract class and vice . . . 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 work too Why use one over the other? The former allows for a more concrete definition of descendants - the latter allows for greater polymorphism
Implementing two interfaces in a class with same method. Which . . . 5 As in interface,we are just declaring methods,concrete class which implements these both interfaces understands is that there is only one method (as you described both have same name in return type) so there should not be an issue with it You will be able to define that method in concrete class
Interfaces vs Types in TypeScript - Stack Overflow Interface was designed specifically to describe object shapes; however Types are somehow like interfaces that can be used to create new name for any type We might say that an Interface can be extended by declaring it more than one time; while types are closed
oop - When should one use interfaces? - Stack Overflow I know that an interface does not have a body, just a method definition But when should I use interfaces? If I provide someone a set of interfaces with no body, why would they feel a need to write
Interface type check with Typescript - Stack Overflow This question is the direct analogon to Class type check in TypeScript I need to find out at runtime if a variable of type any implements an interface Here's my code: interface A { member: str