How are Kotlin's Coroutines different from Java's Executor in Android?

[lymoge]

I had a same question before, but my English is poor.

Coroutine or ThreadPool for non-wait simple task

I used to replace all my async code with coroutine which uses custom thread pool as dispatcher. Now I’m reviewing my code and thinking about why need to use coroutine on a simple task that don’t wait for another task. For example: GlobalScope.launch(mainThreadHandlerDispatcher) { val t = withContext(computationDispatcher) { builder() } weakRef.get { text = t } } submitToComputationPool { val t = builder() runOnUi { weakRef.get { text =…