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：