Java - Simple way to put LinkedHashMap keys/values into respective Lists?

Question

I have a LinkedHashMap < String, String > map .

List < String > keyList;
List < String > valueList;

map.keySet();
map.values();
<         


        

Answer 1

Most collections accept Collection as a constructor argument:

List keyList = new ArrayList(map.keySet());
List valueList = new ArrayList(map.values());