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The All-in-One Guide to Java Programming

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Understand the core components of the Play Framework, including controllers, views, and template-based rendering using Scala. Learn about the framework's evolution, support for asynchronous programming, and integration with tools like sbt and Akka. Discover how to get started with building scalable web applications using Play in both Java and Scala.

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Controllers, views and forms

Much like in Grails, controllers define the actions that can take place and the views, which are used.

Scala has functions that correspond to HTTP codes such as OK:

  • Success: Return ok(…)
  • Error: Return badRequest(…)

Views are based on templates. The default template language is Scala-based. For example, here’s an HTML page with a title that shows the environment’s user and the date:

@(title: String)
@import
...