int[] to List<Integer>

package ch.claude_martin.playground;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class SomeClass {

    public static void main(String[] args) {
        int[] a = { 1, 2, 3, 4 };
        List<Integer> list = toList(a);
        System.out.println(list);
    }

    public static List<Integer> toList(int[] a) {
        return Arrays.stream(a).mapToObj(Integer::valueOf).collect(Collectors.toList());
    }
}