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I was seeing a video (at 31:11 minutes) and there says that async
does not make the method really asynchronous, it is more a "hint". As it was in English and I am not totally advanced, it was half empty the understanding.
In order to enter the asynchronous world, I did some tests, but with little knowledge and using the debug he won’t act asynchronously I believe.
If the answer is "does not asynchronous", then if it is a hint, what would be the "reason" for this "hint".
As important as understanding async, it is also understanding how the await works, as Maniero said, these two commands help a lot and already abstract a lot, however, it is up to you to understand also what is happening behind the commands.
– Everton Resende