Java Stream How to - Map Integer list to double each value

Question

We would like to know how to map Integer list to double each value.

Answer

//  ww  w.j  a v a2  s.com
import java.util.Arrays;
import java.util.List;

public class Main {
    public static void main(String[] args) {
        List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
        numbers.stream()
                .map(value -> value * 2)
                .forEach(System.out::println);
    }
}

The code above generates the following result.