February 2019
Intermediate to advanced
446 pages
10h 55m
English
If you already have standalone user interface applications that consume APIs, then you are already steps away from a successful migration. If this is not the case, it should be the first step to separate your user interface from the server code. UI applications would consume the APIs. If the existing application does not have the APIs that should be consumed by the UI applications, then you should write the wrapper APIs on top of the existing code.
Take a look at the following diagram that reflects the presentation layer before the migration of UI applications:

The following ...
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