Kotlin Essential Training: Functions, Collections, and I/O Online Class | LinkedIn Learning, formerly Lynda.com
JetBrains - New in Kotlin 1.3: The ifEmpty function can be used in a chained call to specify a fallback value for an empty collection, array, or string. The ifBlank function does
![Kotlin by JetBrains on X: "Concatenating a lot of strings and keeping an eye on performance? For cases like this one, Kotlin provides buildString and its corresponding convenience functions, which make it Kotlin by JetBrains on X: "Concatenating a lot of strings and keeping an eye on performance? For cases like this one, Kotlin provides buildString and its corresponding convenience functions, which make it](https://pbs.twimg.com/media/EhACgNTWkAMqry3.jpg:large)