diff --git a/lib/array_equals.rb b/lib/array_equals.rb
index 58e8369..cf5829f 100644
--- a/lib/array_equals.rb
+++ b/lib/array_equals.rb
@@ -1,5 +1,21 @@
 # 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
+  end
+  if array1.nil? || array2.nil?
+    return false
+  end
+  if array1.length != array2.length
+    return false
+  end
+  array1.each_with_index do |value,index|
+    if array1[index] != array2[index]
+      return false
+    end
+  end
+  return true
 end
+
+