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field is never assigned to and will always have its default

Hmm.. one of my classes is having error with "field is never assigned to and will always have its default value 0" for "m_street""m_zipCode" "m_city" and "m_country;".
I think someone told me to initialize a variable, but I am not sure how to do it.
I tried this, but it didn't work:

private Address m_street = new Address();


/////////// My class below///////////////


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

namespace Assignment_6_attempt_1
{
    /// <summary>
    /// Handles addresses. Street, Zip code, City (3) / Street, zip code, city, and country (4)
    /// </summary>
    class Address
    {
        //declaring variables
        private string m_street;
        private string m_zipCode;
        private string m_city;
        private Assignment_6_attempt_1.ContactFiles.Countries m_country;
        private ContactFiles.Countries Countries;

                
        /// <summary>
        /// Default constructor for calling another constructor in this class.
        /// </summary>
        public Address() : this(string.Empty, string.Empty, "Malmo")
        {
            this.Street = null;
            this.ZipCode = null;
            this.City = "Malmo";

        }
        /// <summary>
        /// Constructor with 3 parameters
        /// </summary>
        /// <param name="street"></param>
        /// <param name="zip"></param>
        /// <param name="city"></param>
        public Address(string street, string zip, string city)
        : this(street, zip, city, Assignment_6_attempt_1.ContactFiles.Countries.Sverige)
        {
            this.Street = street;
            this.ZipCode = zip;
            this.City = city;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="street"></param>
        /// <param name="zip"></param>
        /// <param name="city"></param>
        /// <param name="country"></param>
        public Address(string street, string zip, string city, Assignment_6_attempt_1.ContactFiles.Countries country)
        {
            this.Street = street;
            this.ZipCode = zip;
            this.City = city;
            this.Countries = country;               

        }
        /// <summary>
        /// Properties
        /// </summary>
        public string Street { get; set; }
        public string City { get; set; }
        public string ZipCode { get; set; }
        public Assignment_6_attempt_1.ContactFiles.Countries Country { get; set; }
            
 
        /// <summary>
        /// replaces "_" with space for the country enums
        /// </summary>
        /// <returns></returns>
        public string GetCountryString()
        {
            string strCountry = m_country.ToString();
            strCountry = strCountry.Replace("_", " ");
            return strCountry;

        }
        /// <summary>
        /// override the ToString method to return a string made of the address detail
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            string strOut = string.Format("{0,  -25) {1,-8} {2, -10} {3}", m_street, m_zipCode, m_city, GetCountryString());
            return strOut;
 
        }

        public string GetAddressLabel()
        {
            string strOut = Street + ZipCode + City + Country;
            return strOut;

        }
       public bool Validate()
       {
           if (m_street != null)
           {
               return true;
           }
           return false;
           
       }
       
    }
}

Answers (1)