private static void DemoAttributeAssociationUniversitySided()
{
var user = new User("mich", new DateTime(1990, 10, 19));
var uni = new University("PJATK");
uni.AddUser(user, false, "CS", DateTime.Today);
try
{
uni.AddUser(user, false, "CS", DateTime.Today);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
try
{
uni.AddUser(null, false, "Physics", DateTime.Today);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
uni.AddUser(user, false, "Biology", new DateTime(1990, 1, 1));
user.UniversityAttendances.ForEach(Console.WriteLine);
uni.UniversityAttendances.ForEach(Console.WriteLine);
}