diff --git a/lib/array_equals.rb b/lib/array_equals.rb
index 58e8369..253ada8 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 && !array2
+    return true
+  elsif !array1 || !array2
+    return false
+  elsif array1.length == array2.length
+    i = 0
+    while i < array1.length
+      return false if array1[i] != array2[i]
+      i += 1
+    end
+  else
+    return false
+  end
+  return true
 end