This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
your "alist" will be a List of Object
So, it should be List<Object>
and when you iterate over this list, in each iteration, you get an Object, cast the first element of the array to type of "a.name" and second element to "b.email" and create the required objects.