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using System; interface IAuthentication { void login(); void logout(); } // class AzureAuth: IAuthentication { private void initAzureStuff() { Console.WriteLine("utilities to ...init Azure stuff"); } public void login() { Console.WriteLine("AzureAuthention LOGIN code"); } public void logout() { Console.WriteLine("AzureAuthention LOGOUT code"); } } class AWSAuth: IAuthentication { private void initAWSStuff() { Console.WriteLine("Amazon init stuff...."); } public void login() { Console.WriteLine("AWS LOGIN code"); } public void logout() { Console.WriteLine("AWS LOGOUT code"); } } public class Program { public static void Main() { Console.WriteLine("Hello World"); // we can switch in and out components that adapt to the interface // like so // AzureAuth autho = new AzureAuth(); AWSAuth autho = new AWSAuth(); // Does not matter whether we use Azure, or AWS // all we care about is login and logout autho.login(); autho.logout(); } } |