October 2018
Intermediate to advanced
370 pages
9h 15m
English
Content preview from Hands-On Object-Oriented Programming with Kotlin
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The arrayOfNulls function
Arrays can also be initialized with null. To do this, call the arrayOfNulls function and mention the type to be stored in it:
fun nulls() { val nullArray = arrayOfNulls<String>(5) nullArray.set(0,"hello") nullArray.set(3,"kotlin") for (i in nullArray){ println(i) }}
This code assigns string values to the 0 and 3 indexes and prints the null array on the screen.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.