Hi,
by default, on which kind of Thread is a future executed ?
Example:
when i run the following program
object ThreadAPP extends App {
import scala.concurrent.ExecutionContext.Implicits.global
val future = Future {
println("done with the future"); "hello"
}
future foreach println
//Thread.sleep(5000)
}
As you can see with the Thread.sleep commanted. or let say no await, the
println is empty and the program terminate.
however with The sleep or an await, my main does not terminate.
Hence, i wonder what is happening behind the scene. The Main thread in Java
is supposed to be a daemon thread. (1) *Is the future executed in a Deamon
thread ? *
(2) Can an executorService manager both daemon (the main thread) and
non-deamon (futures) at once? or the executorService of ....Implicit.global
only create thread for whatever asynchronous code will come with future ?
If someone could explain a little how Implicit.global works that would
help.
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