static public (int countTablet, int countComputer) CountAmountTechincs(Laboratory laboratory) { int countTablet = 0; int countComputer = 0; for (int i = 1; i <= laboratory.Length; i++) { if (laboratory.Get(i) is Tablet) { countTablet++; } if (laboratory.Get(i) is Computer) { countComputer++; } } return(countTablet, countComputer); }
static void Main(string[] args) { try { // Lab 7. // TechnicException.CheckTechnic(new Computer() { Price = -10 }); Console.WriteLine("This line will write without exception"); int[] a = null; Debug.Assert(a != null, "Values array cannot be null!"); // Lab 6. var scienceVar = new Science(); scienceVar.ScienceType = TypeOfScience.Physics; var laboratory1 = new Laboratory(); laboratory1.Add(new Computer() { Name = "COMP1", Price = 100 }); Console.WriteLine(laboratory1.Get(1)); laboratory1.Add(new Computer() { Name = "COMP2", Price = 200 }); Console.WriteLine(laboratory1.Get(2)); laboratory1.Add(new Computer() { Name = "COMP3", Price = 10 }); laboratory1.Add(new Computer() { Name = "COMP4", Price = 150 }); LaboratoryManager.PrintTechnicOrderByPrice(laboratory1); laboratory1.Add(new Computer() { Name = "COMP5" }); var tempTabet = new Tablet() { Name = "Oleg" }; laboratory1.Add(tempTabet); laboratory1.Remove(tempTabet); laboratory1.Remove(new Computer() { Name = "COMP5" }); laboratory1.Set(4, new Computer() { Name = "NEWCOMP" }); Console.WriteLine(laboratory1.Get(1).CurrentOperationPeriod.Days); laboratory1.Get(1).CurrentOperationPeriod = new TimeSpan(2000, 0, 0, 0); Console.WriteLine(laboratory1.Get(1).CurrentOperationPeriod.Days); LaboratoryManager.SearchOldTechnic(laboratory1); LaboratoryManager.PrintTechnicOrderByPrice(laboratory1); // Lab 5. var tempVar = new Tablet() { Name = "Ipad Pro", Price = 400, Producer = "Apple" }; var link = tempVar as Tablet; if (link != null) { Console.WriteLine(link.ToString() + "\n"); } var linNew = tempVar is Tablet; if (linNew) { Console.WriteLine(link.ToString() + "\n"); } PrintingDevice[] tempArr = { new Printer(), new Plotter(), new Xerox() }; var newVar = new Printer(); foreach (var temp in tempArr) { newVar.IAmPrinting(temp); } var tempVar2 = new Computer() { Name = "Computer Zen 321", Price = 2000, Producer = "ROG" }; tempVar2.TurnOn(); ((IDevice)tempVar2).TurnOn(); } catch (ComputerException e) { Console.WriteLine(e.Message); Console.WriteLine(e.Source); Console.WriteLine(e.StackTrace); } catch (TabletException e) { Console.WriteLine(e.Message); Console.WriteLine(e.Source); Console.WriteLine(e.StackTrace); } catch (TechnicException e) { Console.WriteLine(e.Message); Console.WriteLine(e.Source); Console.WriteLine(e.StackTrace); } catch (Exception e) { Console.WriteLine(e.Message); Console.WriteLine(e.Source); Console.WriteLine(e.StackTrace); } finally { Console.WriteLine("This line will write in any case exception"); } }