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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
- 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
- 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
- java - Can a normal Class implement multiple interfaces . . . - Stack . . .
168 A Java class can only extend one parent class Multiple inheritance (extends) is not allowed Interfaces are not classes, however, and a class can implement more than one interface The parent interfaces are declared in a comma-separated list, after the implements keyword In conclusion, yes, it is possible to do: public class A implements
- Can I inherit one interface into another in typescript? How can I . . .
Two interface are there first one is ICat and second one is IMammal IMammal extends ICat Will the Cat property in IMammal have the capability to access all the property of ICat interface? export
- 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 . . .
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
- 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
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