Builder

using System;

namespace test
{
    public class Person
    {
        public string Name { get; set;}
        public int Age { get; set;}

        public string StreetAddress { get; set;}
        public int PostCode { get; set;}
        public string Country { get; set;}

        public string CompanyName { get; set;}
        public string Position { get; set;}
        public int YearsOfWork { get; set;}


        public static PersonBuilder Create()
        {
            return new PersonBuilder (new Person ());
        }

        public void ShowPerson()
        {
            Console.WriteLine ("Name: {0} \nAge: {1}, \nAddress: {2}, {3}, {4} city\nWork/Study at: {5}, as a {6}, {7} years",
                this.Name, this.Age, this.StreetAddress, this.PostCode, this.Country, this.CompanyName, this.Position, this.YearsOfWork);
        }
    }

    public class PersonAddressBuilder
    {
        private Person person;
        public PersonAddressBuilder (Person person)
        {
            this.person = person;
        }

        public PersonAddressBuilder At (string streetAddress)
        {
            person.StreetAddress = streetAddress;
            return this;
        }

        public PersonAddressBuilder WithPostCode (int postCode)
        {
            person.PostCode = postCode;
            return this;
        }

        public PersonAddressBuilder In (string country)
        {
            person.Country = country;
            return this;
        }

        public PersonAddressBuilder Lives
        {
            get { return new PersonAddressBuilder(person); }
        }

        public static implicit operator Person (PersonAddressBuilder builder)
        {
            return builder.person;
        }

        public PersonJobBuilder Works
        {
            get { return new PersonJobBuilder (person);}
        }
    }

    public class PersonJobBuilder
    {
        private Person person;
        public PersonJobBuilder(Person person)
        {
            this.person = person;
        }

        public PersonJobBuilder At (string companyName)
        {
            person.CompanyName = companyName;
            return this;
        }

        public PersonJobBuilder AsA (string position)
        {
            person.Position = position;
            return this;
        }

        public PersonJobBuilder Years(int yearsOfWork)
        {
            person.YearsOfWork = yearsOfWork;
            return this;
        }

        public static implicit operator Person (PersonJobBuilder builder)
        {
            return builder.person;
        }

    }

    public class PersonBuilder
    {
        private Person person;

        public PersonBuilder(Person person)
        {
            this.person = person;
        }

        public PersonBuilder Called (string name)
        {
            person.Name = name;
            return this;
        }

        public PersonBuilder Age (int age)
        {
            person.Age = age;
            return this;
        }

        public static implicit operator Person (PersonBuilder pb)
        {
            return pb.person;
        }

        public PersonAddressBuilder Lives
        {
            get { return new PersonAddressBuilder(person); }
        }

        public PersonJobBuilder Works
        {
            get { return new PersonJobBuilder (person);}
        }

    }

    public class MainClass
    {
        public static void Main (string[] args)
        {
            Person p_1 = Person.Create ().Called ("Ma").Age (20)
                .Lives.At ("V, flat 2").WithPostCode (8).In ("S")
                .Works.At("S").AsA("student").Years(3);

            Person p_2 = Person.Create ().Called ("Ir").Age (41)
                .Lives.At ("Vo, flat 2").WithPostCode (2).In ("S")
                .Works.At("T").AsA("Manager").Years(20);

            p_1.ShowPerson ();
            Console.WriteLine ("_____________________");
            p_2.ShowPerson ();

        }
    }
}