But Smalltalk was likely the king of language ecosystem, and even more so of language interaction, at around the time when Java first appeared. And probably its

But Smalltalk was likely the king of language ecosystem, and even more so of language interaction, at around the time when Java first appeared. And probably its only serious rivals for that crown were even more high-end and even more now-dead, like Lisp-machine Lisps. It didn't have great integration with native OS environments, but early Java wasn't spectacular in that department either.