Ejemplo n.º 1
0
 static void Main(string[] args)
 {
     GenericWhere.Sample();
     GenericMethod.Sample();
     GenericClass.Sample();
     GenericInterface.Sample();
     GenericArray.Sample();
     GenericDelegate.Sample();
     GenericDefault.Sample();
 }
Ejemplo n.º 2
0
        static void Main(string[] args)
        {
            //instanciating class or declaring the array
            //MyGenericArray obj = new MyGenericArray(5);
            ////setting the values
            //for(int i=0;i<5;i++)
            //{
            //    obj.setItem(i, i * 5);
            //}

            ////retrieving the values
            //for (int i = 0; i < 5; i++)
            //{
            //    Console.Write(obj.getItem(i) + " ");
            //}

            //Generic class
            MyGenericArray <int> objIntArray = new MyGenericArray <int>(5);

            //setting the values
            for (int i = 0; i < 5; i++)
            {
                objIntArray.setItem(i, i * 5);
            }

            //retrieving the values
            for (int i = 0; i < 5; i++)
            {
                Console.Write(objIntArray.getItem(i) + " ");
            }

            Console.WriteLine();
            Console.WriteLine("Entering characters");
            //declaring a character array
            MyGenericArray <char> objCharArray = new MyGenericArray <char>(5);

            //setting the values
            for (int i = 0; i < 5; i++)
            {
                objCharArray.setItem(i, (char)(i + 97));
            }

            //retrieving the values
            for (int i = 0; i < 5; i++)
            {
                Console.Write(objCharArray.getItem(i) + " ");
            }
            Console.WriteLine();
            //non-Generic method
            GenericMethod objMethod = new GenericMethod();
            int           a         = 10;
            int           b         = 20;
            char          c         = 'S';
            char          d         = 'M';

            Console.WriteLine("Values before swapping");
            Console.WriteLine("a={0},b={1}", a, b);
            Console.WriteLine("c={0},d={1}", c, d);

            objMethod.swapInt(ref a, ref b);
            objMethod.swapChar(ref c, ref d);

            Console.WriteLine("Values after swapping");
            Console.WriteLine("a={0},b={1}", a, b);
            Console.WriteLine("c={0},d={1}", c, d);


            //generic method
            Console.WriteLine("Values before swapping in Genreric");
            Console.WriteLine("a={0},b={1}", a, b);
            Console.WriteLine("c={0},d={1}", c, d);

            objMethod.swapGeneric <int>(ref a, ref b);
            objMethod.swapGeneric <char>(ref c, ref d);

            Console.WriteLine("Values after swapping in Generic");
            Console.WriteLine("a={0},b={1}", a, b);
            Console.WriteLine("c={0},d={1}", c, d);

            Console.WriteLine();
            Console.WriteLine("Generic with 2 methods");
            objMethod.swapGeneric1 <int, string>(5, "Sachin");
            objMethod.swapGeneric1 <int, int>(5, 6);
            Console.WriteLine();



            Console.ReadLine();
        }
Ejemplo n.º 3
0
        static void Main(string[] args)
        {
            try
            {
                Console.WriteLine(typeof(List <>));        //`1 占位符 1个参数
                Console.WriteLine(typeof(Dictionary <,>)); //`2

                int iValue = 123;
                // var iValue = 123;
                string   sValue  = "456";
                DateTime dtValue = DateTime.Now;
                object   oValue  = "Jonty";

                Console.WriteLine("*************************");
                CommonMethod.ShowInt(iValue);
                CommonMethod.ShowString(sValue);
                CommonMethod.ShowDateTime(dtValue);
                CommonMethod.ShowObject(oValue);

                // 全部用ShowObject
                CommonMethod.ShowObject(sValue);
                CommonMethod.ShowObject(iValue);
                CommonMethod.ShowObject(dtValue);

                Console.WriteLine("************Generic***********");
                GenericMethod.Show <int>(iValue);
                // 可省略 自动推断
                GenericMethod.Show(sValue);
                GenericMethod.Show <DateTime>(dtValue);

                Console.WriteLine("*************Monitor************");
                // common~=generic > object
                Monitor.Show();

                Generic <int> generic = new Generic <int>()
                {
                    _t = 123
                };


                {
                    People people = new People()
                    {
                        Id   = 12,
                        Name = "走自己的路"
                    };
                    Chinese chinese = new Chinese()
                    {
                        Id   = 34,
                        Name = "Jonty"
                    };
                    HuNan huNan = new HuNan()
                    {
                        Id   = 45,
                        Name = "长沙"
                    };
                    Japanese japanese = new Japanese()
                    {
                        Id   = 56,
                        Name = "波多"
                    };

                    CommonMethod.ShowObject(people);
                    CommonMethod.ShowObject(chinese);
                    CommonMethod.ShowObject(huNan);
                    CommonMethod.ShowObject(japanese);

                    GenericMethod.Show(people);
                    GenericMethod.Show(chinese);
                    GenericMethod.Show(huNan);
                    GenericMethod.Show(japanese);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                throw;
            }
        }