using System; namespace Bücherwurm { class Lending { public int LendId {get;} public int[] LendItems {get; set;} public DateTime ReturnDate {get;} public string Customer {get; } public Lending(int Id, int[] Items, string Customer) { LendId = Id; LendItems = Items; ReturnDate = DateTime.Now.AddDays(30); this.Customer = Customer; } } }