>> What does it means exactly (I may misunderstood since english is not >> my primary language). > > A JSR in the JCP must provide a Specification, a Conformance Test Suite > (CTS), and one or more Reference Implementations (RIs). The RIs serve > to demonstrate that the Specification is implementable, and so of course > they must pass the CTS. There are typically only a small number of RIs; > in the case of Java SE 7, just for linux-x64 and windows-x86. > > There can be many distinct products that implement the Specification, > potentially from lots of different vendors. Each such product must pass > the CTS. That doesn't make them into RIs, however, nor is there really > any need for them to be RIs.
Ok, it's clearer now. Many thanks Mark
