If I know a value is null initially but won’t be null when accessed. Is it preferred to `!!` `?.`

# getting-started

[voben]

If I know a value is null initially but won’t be null when accessed. Is it preferred to !! ?.

[sttimchenko]

It’s better to use ?. as this construct does exactly what it should - helps to avoid unexpected NPE.

[ilya.gorbunov]

You can declare it as lateinit var with non-nullable type.