Ruby Association Certified Ruby Programmer Gold version 2.1 Certification Exam

Ruby Association Certified Ruby Programmer Gold version 2.1 The exam focuses on advanced metaprogramming techniques, including method_missing and define_method, alongside deep knowledge of Ruby’s object model and singleton classes. You’ll need precision with blocks, procs, and lambdas, plus mastery of enumerable methods and file I/O operations. Scope resolution and module mixins appear throughout, demanding fluency in how Ruby resolves method calls across inheritance chains.