// "Replace Stream API chain with loop" "true" import java.util.*; import java.util.stream.Collectors; public class Main { public static long test(List strings) { long count = 0; for (String s : strings) { if (!s.isEmpty()) { count++; } } return count; } public static void main(String[] args) { System.out.println(test(Arrays.asList())); System.out.println(test(Arrays.asList("a", "bbb", "cc", "d", "eee", ""))); } }