static void Main(string[] args) { DigitaleKluis kluis1 = new DigitaleKluis(515); DigitaleKluis kluis2 = new DigitaleKluis(16834); DigitaleKluis kluis3 = new DigitaleKluis(13673); DigitaleKluis kluis4 = new DigitaleKluis(211683); kluis1.CanShowCode = false; kluis4.CanShowCode = false; Console.WriteLine(); Console.WriteLine($"Kluis 1 code level: {kluis1.CodeLevel}."); Console.WriteLine($"Kluis 2 code level: {kluis2.CodeLevel}."); Console.WriteLine($"Kluis 3 code level: {kluis3.CodeLevel}."); Console.WriteLine($"Kluis 4 code level: {kluis4.CodeLevel}."); Console.WriteLine(); Console.WriteLine($"Kluis 1 code: {kluis1.Code}."); Console.WriteLine($"Kluis 2 code: {kluis2.Code}."); Console.WriteLine($"Kluis 3 code: {kluis3.Code}."); Console.WriteLine($"Kluis 4 code: {kluis4.Code}."); Console.WriteLine(); int kluis = 0; DigitaleKluis current = null; do { kluis = AskForInt("Voor welke kluis wilt u de code raden?"); switch (kluis) { case 1: current = kluis1; break; case 2: current = kluis2; break; case 3: current = kluis3; break; case 4: current = kluis4; break; default: break; } } while (current == null); int input = 0; do { input = AskForInt($"Raad de code voor kluis {kluis}: "); current.TryCode(input); }while (input != current.Code); }