C# (CSharp) Interface AdvancedCalculator示例

示例#1

        static void Main(string[] args)
        {
            Interface1 Addition = new Calculator();
            int        a        = Addition.Add(-4, -6);

            Console.WriteLine(a);
            Addition = new AdvancedCalculator();
            a        = Addition.Add(-4, -6);
            Console.WriteLine(a);
        }

示例#2

        static void Main(string[] args)
        {
            INumberOperations numberOperations = new Calculator();
            int t = numberOperations.Add(-4, -6);

            Console.WriteLine(t);
            numberOperations = new AdvancedCalculator();
            t = numberOperations.Add(-4, -6);
            Console.WriteLine(t);
        }