How can I sort a list of maps by value of some specific key using Java 8?

Question

How can I sort a List of Map using Java 8? The map contains a key called last_name, and the value associated wit

Answer 1

Steps to sort a Map in Java 8.

1]Convert a Map into a Stream
2]Sort it
3]Collect and return a new LinkedHashMap (keep the order)

Map result = map.entrySet().stream()
    .sorted(Map.Entry.comparingByKey())
    .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue,
    (oldValue, newValue) -> oldValue, LinkedHashMap::new));