Has a concrete return type. Note that, a coroutine can't use return in its body, and can't use auto as its return type. In object-oriented programming, we declare a class before we can create an ...

Java will never be as expressive as Scala. Scala’s feature set allows for writing complete DSLs as well as concise, terse code. That said, Java is getting closer. Since JDK 14 Java has had preview ...