import java.util.HashMap; public class Ville{ private HashMap distances; private String nom; public Ville(String nom){ this.nom = nom; this.distances = new HashMap(); } public String getNom(){ return this.nom; } public void addDistance(String ville,Integer distance){ this.distances.put(ville,distance); } public Integer getDistanceTo(String ville){ if(this.distances.containsKey(ville)){ return this.distances.get(ville); } return -1; } }