Let's send a test request and see what response we get, as shown in the following screenshot:

The response for the http://localhost:8080/users/Jack/todos/1 URL is as follows:

{
   "id":1,
   "user":"Jack",
   "desc":"Learn Spring MVC",
   "targetDate":"2019-01-08T12:42:42.337+0000",
   "done":false
}