catching_cancellation_exception.kt

import kotlinx.coroutines.*

fun main() = runBlocking {
    val job = launch {
        println("Coroutine started.")
        try {
            delay(Long.MAX_VALUE)
        } catch (ex: CancellationException) {
            println("Coroutine cancelled.")
        }
    }
    delay(1000)
    println("Cancelling the coroutine...")
    job.cancelAndJoin()
}