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

It looks like you can rewrite your code like

peopleList.sort(Comparator.comparing(
                    m -> m.get("yourKey"), 
                    Comparator.nullsLast(Comparator.naturalOrder()))
               )