private void ShowDepartments()
{
var deps = _departmentReader.ReadAllDepartments();
for (var i = 0; i < deps.Length; ++i)
{
var dep = deps[i];
Console.WriteLine($"Department {i + 1}:");
Console.WriteLine($" - Id: {dep.Id}");
Console.WriteLine($" - Name: {dep.Name}");
}
}
