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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
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
How can I use interface as a C# generic type constraint? That having been said, an interface constraint on T should allow reference comparisons between T and any other reference type, since reference comparisons are allowed between any interface and almost any other reference type, and allowing comparisons even that case would pose no problem
Why do we need interfaces in Java? - Stack Overflow In Java to implement multiple inheritance we use interfaces Is it the only use of interfaces? If yes, what is the main use of interface in Java? Why do we need interfaces in Java?
oop - How do I implement interfaces in python? - Stack Overflow 238 Implementing interfaces with abstract base classes is much simpler in modern Python 3 and they serve a purpose as an interface contract for plug-in extensions Create the interface abstract base class:
inheritance - What is an interface in Java? - Stack Overflow An interface in java is a special type of Abstract class, the Interface provided the 100% Abstraction but since the java introduce new features in java 8 the meaning of whole Interface is change
Interface as a type in Java? - Stack Overflow From The Java Tutorials: In Java, a class can inherit from only one class but it can implement more than one interface Therefore, objects can have multiple types: the type of their own class