using System; namespace Bücherwurm { class Lending { public int LendId {get;} public int LendItem {get; set;} public DateTime ReturnDate {get;} public string Customer {get; } public Lending( int Id, int Item, string Customer, int timeInDays) { LendId = Id; LendItem = Item; ReturnDate = DateTime.Now.AddDays(timeInDays); this.Customer = Customer; } } }