PROJECT 2A Content ManagementSystem (CoMpoSe)
CHAPTER 6Java Integration
The last few chapters mainly served to introduce Ruby and Rails, and only incidentally used JRuby to achieve this. From now on much more Java will be involved. That doesn't necessarily mean that you need to write and build Java classes, but you'll interact with the Java ecosystem in different ways that aren't possible with regular Ruby.
To make this transition easier on you, this chapter will be a detour into these issues. It will be a focused chapter; I won't talk about the next project application at all. This is the crash course about the areas where JRuby differs from Ruby.
I'll begin by describing how you can reference Java classes, Java primitives, and Java arrays, ...
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