diff --git a/lib/array_equals.rb b/lib/array_equals.rb
index 58e8369..8d8b5ce 100644
--- a/lib/array_equals.rb
+++ b/lib/array_equals.rb
@@ -1,5 +1,19 @@
-# 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
+    return false
+  elsif
+    array1.length != array2.length
+    return false
+  end
+
+  i = 0
+  while i < array1.length do
+    if array1[i] != array2[i]
+      return false
+    end
+    i += 1
+  end
+  return true
 end