<dependency> <groupId>com.github.underscore</groupId> <artifactId>underscore</artifactId> <version>1.6.0</version> </dependency> import com.github.underscore._; public class Main { public static void main(String[] args) { List<Integer> numbers = _.range(1, 10) .filter(n -> n % 2 == 0) .map(n -> n * n) .value(); } }