Browse topics
Kotlin
Standard Library
Lists, maps, sets, sequences, ranges, regex and file I/O in Kotlin.
List, Map & Set Immutable and mutable collection operations, filtering and sorting. 6 tutorials
Sequences Lazy sequences, operations and when to use sequences vs lists. 5 tutorials
Ranges Range expressions, until, downTo and step in Kotlin. 4 tutorials
Regular Expressions Regex matching, find, replace and common patterns in Kotlin. 5 tutorials
File I/O Read and write files, lines and path operations in Kotlin. 6 tutorials