CHAPTER 4Introduction to Grails

Let's face it: developing web applications is hard. This problem has been exacerbated in today's environment, where applications deemed to fall into the Web 2.0 category involve lots of technologies, such as HyperText Markup Language (HTML), Cascading Style Sheets (CSS), Asynchronous JavaScript and XML (Ajax), XML, web services, Java, and databases. Then on top of the technologies sit lots of open source framework choices like model-view-controller (MVC) frameworks and Ajax frameworks. To make matters worse, while the complexity of building applications continues to grow, expected turnaround times continue to shrink.

In recent years, the Java community has tried solving these issues by building applications using ...

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