Part 2. Core functionality
Part 2 takes a look at Play’s place in a greater system architecture, and dives deeper into the concepts introduced in part 1.
Chapter 4 takes a step back and takes a look at where Play fits in a more conventional enterprise architecture. It contrasts Play with conventional JEE development, and shows how Play can tackle some major challenges in such an architecture.
Chapter 5 is all about controllers. It explains what controllers are and how action methods help you interface with the web. It also explains how routing works and introduces the different scopes.
Chapter 6 covers how to handle user input. We show you how to use Play’s Form API, as well as how binding and validation work.
Chapter 7 introduces database ...
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