``` val parameterObject = element?.asJsonObject val parameters: Map<String, List<String>&gt...

# android

[Ayden]

val parameterObject = element?.asJsonObject
val parameters: Map<String, List<String>> = HashMap()
for (entry in parameterObject?.entrySet().orEmpty()) {
    val key = entry.key
    val value = entry.value.asString
    parameters.put(key, value)
}

[Lucas Ł]

you need a mutable map to be able to insert new pairs https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/mutable-map-of.html

[Ayden]

Thanks @Lucas Ł!

[arekolek]

your map is mutable, but then you narrow the type down to immutable

[arekolek]

either do

val parameters = HashMap<String, List<String>>()

or

val parameters: MutableMap<String, List<String>> = HashMap()

[Lucas Ł]

or

val parameters = mutableMapOf<String, List<String>>()

[arekolek]

I assumed he cared about the implementing type, but if you don't care about it, that's the best one to use

[Ayden]

Thanks guys.

[Ayden]

I managed to implement it.

[Ayden]

I though if I don't defined anything.

[Ayden]

I would be MutableList by default.

[arekolek]

only if it comes from Java

[thymecypher]

Let's not get into the ways we could do this. This is Kotlin, we'd be here all year :p