How do you upsert a list of objects in Java or in ...

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[zain]

How do you upsert a list of objects in Java or in Kotlin. What is the best practice or the best chain for something like upserting a setting.
Scenario one match-id can have many settings and that can change.

data class Setting(val typeId: Int, val type: String, val isSubscribed: Boolean, val matchId: Int)

    val settings = mutableListOf(Setting(1, "Goal Notification", true, matchId = 123), Setting(2, "Half Time Notification", true, matchId = 567))

    //upsert?/
    val newSettings = settings.add(Setting(1, "Goal Notification", false, matchId = 123))

    val latestSettings = settings.filter { setting -> setting.typeId == 1 }.map {
        // add or update over here
    }

[zain]

Should I use a set instead a list?

[Ole K. Øverland (Norway)]

you are probably looking for a MutableMap. If you add a new "setting" to the same key, it will update it.