Felix Mathiasson

csharp-fundamentals-lists.Main/Core.cs

@@ -31,41 +31,47 @@ public List<string> Question1()
             //  TODO:  1.  Find the add method and add two more flavours of ice cream: "Phish Food", "Peanut Butter Cup"
 
             //write code here
-
+            _iceCreams.Add("Phish Food");
+            _iceCreams.Add("Peanut Butter Cup");
             return _iceCreams;        
         }
 
         public int Question2()
         {
-            
+
             //TODO:  find the lists method that returns the number of ice creams in the list and return this.
 
             // remove exception and write code here
-            throw new NotImplementedException();
+            return _iceCreams.Count;
+
         }
         public List<string> Question3()
         {
 
             // The code below concatenates this.MoreIceCream to the _iceCreams list into a new results list.
-            //TODO: you can 'chain' methods on the _iceCream list, so add another Concat to include EvenMoreIceCream  (this is defined below) to the result list . e.g.   _iceCreams.Concat(this.MoreIceCream).Concat(other list to concat).ToList()
+            //TODO: you can 'chain' methods on the _iceCream list, so add another Concat to include EvenMoreIceCream
+            //(this is defined below) to the result list . e.g.   _iceCreams.Concat(this.MoreIceCream).Concat(other list to concat).ToList()
 
             List<string> results = _iceCreams.Concat(this.MoreIceCream).ToList();
-
+            results = _iceCreams.Concat(this.EvenMoreIceCream).ToList();
             return results;
 
-            // remove exception and write code here
+
 
         }
         public List<string> Question4()
         {
 
 
             //TODO: Remove the duplicates using the .Distinct() placing just before the .ToList()
-            //      copy the List declaration line from Question3 and add the .Distinct() into the chain.  e.g.  _iceCreams.Concat(this.MoreIceCream).Concat(other list to concat).Distinct().ToList()
+            //      copy the List declaration line from Question3 and add the .Distinct() into the chain.  e.g.
+            //      _iceCreams.Concat(this.MoreIceCream).Concat(other list to concat).Distinct().ToList()
             //      be sure to include the MoreIceCream and EvenMoreIceCream lists
 
 
             List<string> results = _iceCreams;
+            results = _iceCreams.Concat(this.EvenMoreIceCream).Distinct().ToList();
+
             // remove exception and write code here
             return results;
         }