#5 Operation Order in the Stream API

Companies:

Alfa-Bank

Themes:

JavaStreams & LambdasCode Review

What will be printed to the screen?

public class Main {
    public static void main(String[] args) {
        List<Integer> x1 = List.of(1, 2, 3);
        List<Integer> x2 = List.of(4, 5, 6);
        List<Integer> x3 = List.of();

        Stream.of(x1, x2, x3)
            .map(x -> x+1)
            .flatMap(Collection::stream)
            .forEach(System.out.print);
    }
}

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