Coroutine Execution For Humans

CoroutineOrder.kt

import kotlinx.coroutines.launch
import kotlinx.coroutines.runBlocking

object Main {
  @JvmStatic
  fun main(args: Array<String>) {
    runBlocking {
      val job = launch {
        println("Coroutine start")
        launch {
          println("Child coroutine start")
          launch {
            println("Child-inner coroutine start")
            println("Child-inner coroutine end")
          }
          println("Child coroutine end")
        }
        println("Coroutine end!")
      }
      println("Join")
      println("Done")
    }
  }
}

/*
Output:
Join
Done
Coroutine start
Coroutine end!
Child coroutine start
Child coroutine end
Child-inner coroutine start
Child-inner coroutine end
 */