scala

Start developing Play! applications with Scala

| Robert Magnus

The Play! Framework offers a new way to develop web applications. Relying on a stateless model, a light but complete stack and no big turnaround times for debugging, Play! makes developing Scala applications really efficient. akquinet is using Play! in several projects. But, what makes Play! even better and your development even more efficient is the Scala support. You can develop your application using the Scala language.

This blog post explains how to set up Play! and your development environment to develop web applications efficiently. It covers the Play framework and the Scala module installation, the integration inside the Eclipse IDE, the Source Code Management configuration and the deployment into Apache Tomcat and JBoss AS.

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Integrating Scala components in a Java application

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Scala is starting to be really popular, and there are many reasons why you might like to use it in your current projects. At akquinet we’re now using Scala inside Java applications to reduce the amount of written code and to benefit from Scala’s flexibility. However, integrating Java and Scala in the same application requires some tricks. Using Java classes in Scala is pretty straightforward; however, using Scala classes in Java is not.

Scala has several language features which cannot be directly mapped to Java, for example function types and traits. Here we will describe how these language features are compiled to Java byte code and how to access them from Java afterwards.

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