Up to this point, this chapter has been focusing on the mechanism for moving Force Platform components from a development environment to a production environment. Using two environments for development and deployment is not only a good practice, but a requirement for Apex code, which cannot be authored in a production environment.
You have probably been using a free Developer Edition organization for the examples in this book. For more details on the various license types, please refer to the salesforce.com company website www.salesforce.com.
The scenario also gets more complex if you are creating additional applications or customizations for existing organizations. A Developer Edition organization, such as the one you have been using, ...