Java tutorial
import java.util.Arrays; import java.util.List; import java.util.Objects; import java.util.stream.Collectors; import java.util.stream.Stream; public class Main { public static void main(String[] args) { List<String> names = Arrays.asList("Chris", "HTML", "XML", "CSS", ""); Stream<String> s = names.stream().filter(name -> name.startsWith("C")); List<String> collect = s.filter(Objects::nonNull).collect(Collectors.toList()); System.out.println(collect); } }