Added try catch for program arguments

Aufgabe3/ConsoleApplication1/Buffer.cs

 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Threading;
 
 namespace ConsoleApplication1
@@ -8,7 +9,7 @@ namespace ConsoleApplication1
     /// Creating a Class Buffer that contains a Queue that represent the "Parking lot".
     /// The Queue is limited by the size that can manually be setted
     /// </summary>
-
+    
     public class Buffer
     {
         private Queue<Car> carQueue;

Aufgabe3/ConsoleApplication1/Consumer.cs

 using System;
-using System.Runtime.CompilerServices;
+using System.Runtime.ConstrainedExecution;
 using System.Threading;
 
+
 namespace ConsoleApplication1
 {
     public class Consumer
@@ -16,7 +17,7 @@ namespace ConsoleApplication1
             _buffer = buffer;
             _random = new Random();
         }
-
+        
         public void Consume()
         {
             while (true)

Aufgabe3/ConsoleApplication1/Program.cs

 using System;
 using System.Collections.Generic;
+using System.Net.Mime;
+using System.Runtime.CompilerServices;
 using System.Runtime.Remoting.Messaging;
 using System.Threading;
 
@@ -12,10 +14,24 @@ namespace ConsoleApplication1
     {
         public static void Main(string[] args)
         {
+
+            int nrProd = 0;
+            int nrCons = 0;
             
-            //Parse received program arguments to ints
-            int nrProd = int.Parse(args[0]);
-            int nrCons = int.Parse(args[1]);
+            //Parse received program arguments to int
+            try
+            {
+                nrProd = int.Parse(args[0]);
+                nrCons = int.Parse(args[1]);
+            }
+            catch (FormatException ignored)
+            {
+                Console.WriteLine("Please provide two positive integers as program arguments");
+                Environment.Exit(1);
+            }
+
+
+
 
             Buffer b = new Buffer();