W3cubDocs

/Kotlin

plus

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.3)
operator fun String?.plus(other: Any?): String

Concatenates this string with the string representation of the given other object. If either the receiver or the other object are null, they are represented as the string "null".

© 2010–2020 JetBrains s.r.o. and Kotlin Programming Language contributors
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/plus.html