public string owner = "abc";
public string Designing(string a, string b)
public int Development(int c, string d)
public static void Main()
Company managment=new Company();
Console.WriteLine(managment.owner);
Console.WriteLine(managment.Client);
Console.WriteLine(managment.Buyer);
Console.WriteLine(managment.Designing("abc "," def"));
Console.WriteLine(managment.Development(10,"ghi"));