The official JDK is the OpenJDK for several years.
Under Sun there were differences, but Oracle open-sourced every last difference and now there is only some Oracle branding logo as the only difference (and maybe some tiny proprietary codec, but your code will run on both the same way).
Under Sun there were differences, but Oracle open-sourced every last difference and now there is only some Oracle branding logo as the only difference (and maybe some tiny proprietary codec, but your code will run on both the same way).