Get position of a specific item in an Array based on a string value-CodePudding

I have a basic data model that includes a string value. This model is returned in an Array.

My data:

fun getFruits() : Array<FruitModel>{
    return arrayOf(
        FruitModel(name: "Apple"),
        FruitModel(name: "Tomato"),
        FruitModel(name: "Pear"),
        FruitModel(name: "Plum"),
        FruitModel(name: "Banana"),
        FruitModel(name: "Watermelon"),
        FruitModel(name: "Strawberry"),
        FruitModel(name: "Blueberry"),
        FruitModel(name: "Blackberry")
    )
}

I need to get the position of a specific item based on the fruit name.

Example: If I specify "Plum", I will get 3. If I specify "Blueberry", I will get 7.

How do I get the position of items in an array based on a string value (in this case, name)

CodePudding user response：

You can use the indexOfFirst method of ArrayList for this

val fruits = getFruits()
val index = fruits.indexOfFirst { it.name == "Plum" }