[{
14|final| List<Integer> unmodifiableHashcodes = list.|stream|().map(String::hashCode).collect(Collectors.toUnmodifiableList());}
, {
15|final| List<Integer> modifiableHashcodes = list.|stream|().map(String::hashCode).collect(Collectors.toList());}
, {
17|List<String> nonEmptyEntries = list.|stream|().filter(e -> e.length() > |0|).collect(Collectors.toList());,
18|List<String> moreThanOneCharEntry = list.|stream|().filter(e -> e.length() > |1|).collect(Collectors.toList());}
, {
19|List<String> nonEmptyEntries2 = list.|stream|().filter(e -> e.isEmpty() ).collect(Collectors.toList());}
, {
21|Set<String> nonEmptySet = list.|stream|().filter(e -> e.length() > |0|).collect(Collectors.toSet());}
]
