Kotlin 的Collections 是建立在Java的Collections上，並再加入更實用的library functions，並且有Mutable與Immutable Collections的概念。 // Array val ... ... <看更多>

TL;DR. Individually, mutable and immutable collections are able to expose useful features that can't co-exist in a single interface:. ... <看更多>

package kotlin.annotations.jvm;. import java.lang.annotation.*;. /**. * Annotate anything of type descendant from Iterable or Iterator with @Mutable if the ... ... <看更多>

Quickly bring your app to life with less code, powerful tools, and intuitive Kotlin APIs. ... etc, it's almost easier to treat it as a mutable data model. ... <看更多>