Comparando com java

namespace Testes.Exemplo
{
    
    
    
    /// <summary>
    /// Represent a product category and
    /// contains methods for working with categories
    /// </summary>
    [System.ComponentModel.DataObject]
    public class Category
    {

        private static readonly string _connectionString;

        private int _id;
        private string _title;

        public int CategoryID
        {
            get { return _id; }
            set { _id = value; }
        }

        public string Title
        {
            get { return _title; }
            set { _title = value; }
        }


        static  Category()
        {
            _connectionString = WebConfigurationManager.ConnectionStrings["StoreString"].ConnectionString;
        }
        
        
        public Category(SqlDataReader reader)
        {
            _id = (int) reader["CategoryID"];
            _title = (string) reader["Title"];
        }

        
        
        /// <summary>
        /// Select all category from databaset
        /// </summary>
        /// <returns></returns>
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
        public static List<Category> SelectCategory()
        {
            //Initialize command
            SqlConnection con = new SqlConnection(_connectionString);
            SqlCommand cmd = new SqlCommand("dev_SelectAllCategory",con);
            cmd.CommandType = CommandType.StoredProcedure;
            List<Category> results = new List<Category>();
            using(con)
            {
                con.Open();
                SqlDataReader reader = cmd.ExecuteReader();
                while(reader.Read())
                {
                    results.Add(new Category(reader));
                }
                
                con.Close();
                return results;
            }
        }
        
        
        

      
    }
}