July 2013
Intermediate to advanced
370 pages
8h 27m
English
Content preview from Programming Groovy 2Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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10.1 The Melting Pot of Java and Groovy
In our applications, we can implement a certain functionality in a Java class, a Groovy class, or a Groovy script. Then we can call this functionality from within Java classes, Groovy classes, or Groovy scripts. Figure 9, Ways to mix Java classes, Groovy classes, and scripts shows the various options for mixing Java classes, Groovy classes, and Groovy scripts.
To use Groovy classes from Groovy code, we don’t have to do anything. It just works. We simply make sure the classes we depend on are in the classpath, either as source or as bytecode. To pull a Groovy script into our Groovy code, we can use GroovyShell. To use it from within our Java classes, we can use the ScriptEngine API provided by JSR ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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