Bài 1 C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Test
{
    class Person
    {
        private string _name;
        private int _age;
        private string _hobby;
        private string _sex;

        public string Name { get; set; }
        public int Age { get; set; }
        public string Hobby { get; set; }
        public string Sex { get; set; }

        public Person(string name, int age, string hobby, string sex)
        {
            Name = name;
            Age = age;
            Hobby = hobby;
            Sex = sex;
        }

        public void Cout()
        {
            Console.WriteLine("Name = {0}, Age = {1}, Hobby = {2}, Sex = {3}",Name,Age,Hobby,Sex);
        }
    }
    class RunMain
    {
        static void Main(string[] args)
        {
            Person SonNghien = new Person("Son",16,"haha","male");
            Person TuBueDe = new Person("Tu",18,"hehe","female");
            SonNghien.Cout();
            TuBueDe.Cout();
            Console.ReadKey();
        }
    }
}