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    Chapter 7. Communicating with the Server... > Defining an RPC method to persist ob...

    Defining an RPC method to persist objects

    In this recipe, we are going to:

    • Declare an abstract method add in the GWTService interface

    • Declare an abstract asynchronous method add in GWTServiceAsync interface

    • Implement the method in the GWTServiceImpl class


      

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