diff --git a/lib/array_equals.rb b/lib/array_equals.rb
index 58e8369..50f6fe7 100644
--- a/lib/array_equals.rb
+++ b/lib/array_equals.rb
@@ -1,5 +1,18 @@
 # Determines if the two input arrays have the same count of elements
 # and the same integer values in the same exact order
 def array_equals(array1, array2)
-  raise NotImplementedError
+  if array1 == nil && array2 == nil
+    return true
+  elsif array1 == nil || array2 == nil || array1.count != array2.count
+    return false
+  else
+    i = 0
+    for i in 0..array1.count
+      if array1[i] != array2[i]
+        return false
+      end
+      i += 1
+    end
+    return true
+  end
 end