map streams java

1import java.util.Arrays;
2import java.util.List;
3import java.util.stream.Collectors;
4 
5public class Main 
6{
7    public static void main(String[] args) 
8    {
9        List<String> listOfStrings = Arrays.asList("1", "2", "3", "4", "5");
10         
11        List<Integer> listOfIntegers = listOfStrings.stream()
12                        .map(Integer::valueOf)
13                        .collect(Collectors.toList());
14         
15        System.out.println(listOfIntegers);
16    }
17}
18