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What does it mean to explicitly implement an interface?
explicit interface implementation
An explicit interface implementation is a class member that is only called through the specified interface. Name the class member by prefixing it with the name of the interface and a period. For example: C# Copy.
What is implicit and explicit implementation of interface?
With implicit interface implementations, the members of the interface are public in the class. With explicit implementations, in the class the interface members are not declared as public members and cannot be directly accessed using an instance of the class, but a cast to the interface allows accessing the members.
Which interface methods are implicitly?
All abstract, default, and static methods in an interface are implicitly public , so you can omit the public modifier. In addition, an interface can contain constant declarations. All constant values defined in an interface are implicitly public , static , and final .
Can abstract class be sealed in C#?
When a class is declared sealed, it cannot be inherited, abstract classes cannot be declared sealed. To prevent being overridden, use the sealed in C#. When you use sealed modifiers in C# on a method, then the method loses its capabilities of overriding.
When to use implicit or explicit interface implementation?
In terms of when you would use one over the other, sometimes you have to use explicit interface implementation as you either have a property/method with same signature as the interface or you want to implement two interfaces with the same signatures and have different implementations for those properties/methods that match.
When to use explicit or implicit methods in C #?
Implicit is when you define your interface via a member on your class. Explicit is when you define methods within your class on the interface.
When to use explicit interface in concrete class abstraction?
“Explicit” interface should be used when your concrete class abstraction does not include the interface abstraction. It’s a quick and dirty way to achieve dual abstraction. I can sense how tough it is to understand the above statement.
When do you have to implement an interface?
In terms of “when” you have to implement an interface explicitly, it is when your class already has a method with the same signature as one of the methods of your interface, or when your class implements several interfaces that share methods with the same signatures but incompatible contracts.