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I'll be the one to nickpick, but Scala never intended to be a nicer Java. It was and still is an academic exercise in compiler and language theory. Also, judging by Kotlin's decent strides, "little Syntex differences" get you a long way on a competent VM/Runtime/stdlib.

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Kotlin's important feature is the cooperative multitasking. Java code has been mangled all these years to work around not having that. I don't think many would justify the switch to Kotlin otherwise.

It's probably an important feature now, but it's a recent one in this context.

Oh true, I thought it was older

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