anchor.diff:  ----
   
   By using the `@DefaultValue` annotation we have determined that the surname value
  -will be `Skywalker` when the parameter is not given.
  +will be `Skywalker` when the parameter is not provided.
   
   Test the following queries with GraphiQL:
   
  
positive.code: ----
  
  WARNING: Notice how we have excluded the value in the `@Query` annotation.
  Therefore, the name of the query is implicitly set as the function name
  excluding the `get`.
  
  This query will enable the client to retrieve the film by id.
  
  Enter the following into `GraphiQL` and make a request.
  
  
negative.code: 
  In this section we will start creating the GraphQL API.
  
  First, create the following entities representing a film from a galaxy far far away:
  
  [source,java]
  ----
  