Computer scienceMobileAndroidAndroid CoreData structures

Memory-efficient data structures in Android

ArrayMap and iterator

Report a typo

Check out some mysterious iterator behavior in this code sample.

val zoo = ArrayMap<String, String>()
zoo.put("1z#1", "Bear")
zoo.put("1z#2", "Fox")
zoo.put("1z#3", "Rabbit")
val iterator = zoo.iterator()
val bear = iterator.next()
val fox = iterator.next()
val rabbit = iterator.next()
println(bear == fox)

What will be printed as a result?

Select one option from the list

error 404

false

null

true

___

Create a free account to access the full topic