None of those hold Java as the "Lingua Franca" of the respective companies. Even remotely. No one doubts that you can find Java somewhere in any reasonably size

None of those hold Java as the "Lingua Franca" of the respective companies. Even remotely. No one doubts that you can find Java somewhere in any reasonably sized company, or as a largely inconsequential basis for a product they use (such as HBase), but only extreme hope can lead someone to conclude that makes it a principal technology.