#612 – Members of an Interface Are Implicitly Public

The idea of an interface is to define a contract that a class can choose to implement.  Since an interface is a public definition of a contract, it doesn’t make sense for members of an interface to be private.  This means that all members in an interface are implicitly public.

    public interface IDogStuff
    {
        // Implicitly public
        bool CanBark { get; set; }
        void Bark();

        // Compile-time Error: The modifier 'public' is not valid for this item
        public void Fetch();

        // Compile-time Error: The modifier 'private' is not valid for this item
        private void PeeOnTree();
    }
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About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

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