diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..fc73fea
Binary files /dev/null and b/.DS_Store differ
diff --git a/lib/array_equals.rb b/lib/array_equals.rb
index 58e8369..a458f79 100644
--- a/lib/array_equals.rb
+++ b/lib/array_equals.rb
@@ -1,5 +1,12 @@
-# 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
+  return true if array1 == nil and array2 == nil
+  return false if !array1 or !array2
+  return false if array1.length != array2.length
+
+  array1.length.times do |index|
+    return false if array1[index] != array2[index]
+  end
+
+  return true
 end