CancelExampleInCoroutine.kt

val startTime = System.currentTimeMillis()
val job = launch (Dispatchers.Default) {
  var nextPrintTime = startTime
  var i = 0
  while (i < 5) {
    if (System.currentTimeMillis() >= nextPrintTime) {
      println("Hello ${i++}")
      nextPrintTime += 500L
    }
  }
}
 
delay(1000L)
println("Cancel")
job.cancel()
println("Done")