Jacob Chen Jensen

csharp-fundamentals-loops.Main/Core.cs

@@ -20,32 +20,61 @@ public class Core
         public void stepOne()
         {
             // TODO: 1. Write a for loop that adds the numbers 0 to 3 to the numsZeroToThree array                        
-            throw new NotImplementedException();            
+            for(int i = 0; i < numsZeroToThree.Length; i++)
+            {
+                numsZeroToThree[i] = i;
+            };            
         }
 
         public void stepTwo()
         {
             // TODO: 2. Write a for loop that adds the numbers 5 to 10 to the numsFiveToTen array
-            throw new NotImplementedException();
+            for (int i = 0; i < numsFiveToTen.Length; i++)
+            {
+                numsFiveToTen[i] = i+5;
+            };
         }
 
         public void stepThree()
         {
             // TODO: 3. Write a for loop that adds the numbers 3 to 0 (in that order) to the countdown array
-            throw new NotImplementedException();
+            int count = 0;
+            for(int i = countdown.Length-1; i >= 0; i--)
+            {
+                countdown[count] = i;
+                count += 1;
+            };
 
         }
 
         public bool stepFour(int num)
         {
+            bool exists = false;
             // TODO: 6. Write a for loop that checks if num is in the favouriteNumbers array            
-            throw new NotImplementedException();
+            for( int i=0; i < favouriteNumbers.Length; i++)
+            {
+                if (favouriteNumbers[i] == num)
+                {
+                    exists = true;
+                    break;
+                }
+            }
+            return exists;
         }
 
         public bool stepFive(string hobby)
         {
+            bool isHobby = false;
             // TODO 5. Write a for loop that checks if the hobby String is in the myHobbies array
-            throw new NotImplementedException();
+            for(int i=0; i < myHobbies.Length; i++)
+            {
+                if (myHobbies[i] == hobby)
+                {
+                    isHobby = true;
+                    break;
+                }
+            }
+            return isHobby;
         }
     }