使用java的JQuery自动完成使用多个JSON值

I am trying to use jQuery autocomplete with java server side. I have a form called contact info which has two field called first name and last name. When you click save on the contact info it saves the first and last name under sql column c_first_name and c_last_name. Currently the json is returning: [{"c_first_name":"Reur","c_last_name":"Raman"},{"c_first_name":"John","c_last_name":"Joon"}]. Here is my ajax function: I am trying to use jQuery autocomplete with jav