Remove values from a list from another list

Question

private Set<Entry<Personne, List<Precision>>> mapCorrelationEtat;

    for (Map.Entry<Personne, List<Precision>> entry : this.mapCorrelationEtat) {
        Personne key = entry.getKey();
        System.out.println(key.getIdPersonne());
    }

in this linkedhashmap I have some values, I want to remove some values from an another List

keyList: [1,2,5];

How can I do this?

Answer 1

You can simply call removeAll on keySet:

map.keySet().removeAll(keyList);