自动属性,匿名类，对象初始化器。集合初始化器，lambda表达式

 /// <summary>

    /// C#自动属性

    /// </summary>

    public class Student

    {

        public Student() {

        }

        public Student(string name) {

            this.name = name;

        }

        public int id { get; set; }

        public string name { get; set; }

        public int age { get; set; }

        public string remark { get; set; }

    }

    class Program

    {

        static void Main(string[] args)

        {

            //匿名类

            var varclass = new { id = 1,name = "zwc"};

           //对象初始化器

            Student stu = new Student { id = 2, name = "张文超", age = 22, remark  = "备注！" };   //形式一，这种表示调用默认的构造函数

            Student stu1 = new Student("zahngwenchao") { id = 3 ,age = 23,remark ="备注2" };   //形式二，这种在构造函数带有参数的时候可以使用

            Console.WriteLine("stu" +"---"+ stu.id);

            Console.WriteLine("stu1" + "---" + stu1.id);

            //集合初始化器

            List<Student> listStu = new List<Student> {

                 new Student {id = 4,name = "张三",age = 24,remark = "集合初始化器！"},

                 new Student{id = 5 ,name = "李四",age = 25,remark ="集合初始化器！"},

                 new Student("zwc"){id = 6,age=26,remark ="集合初始化器！"}

            };

            //lambda表达式的使用

           Student stu3 = listStu.Where(x => x.name == "zwc").FirstOrDefault();

           Console.WriteLine("lambda表达式在linq中的使用" + "---" + stu3.id);

           Console.Read();

        

        }
    }

运行结果：