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| package com.projet;
import java.util.Enumeration;
import java.util.Hashtable;
public class Personne {
private String nom, prenom, email;
private static int courant = 1 ;
private static Hashtable <String, Personne> listePersonne = new Hashtable<String, Personne>();
static {
Personne p1 = new Personne("Martin","Hervé","herve.martin@gmail.com");
add(p1);
Personne p2 = new Personne("Dupont","Pierre","pierre.dupont@hotmail.fr");
add(p2);
Personne p3 = new Personne("Durant","Paul","paul.durant@free.fr");
add(p3);
Personne p4 = new Personne("Lemeur","André","andre.lemeur@wanadoo.fr");
add(p4);
Personne p5 = new Personne("Delas","Christian","christian.delas@yahoo.fr");
add(p5);
}
public Personne(String nom, String prenom, String email) {
this.nom = nom;
this.prenom = prenom;
this.email = email;
}
public String getNom() {
return nom;
}
public void setNom(String nom) {
this.nom = nom;
}
public String getPrenom() {
return prenom;
}
public void setPrenom(String prenom) {
this.prenom = prenom;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getId() {
Enumeration<String> myEnum = listePersonne.keys();
while (myEnum.hasMoreElements()) {
String myId = myEnum.nextElement();
Personne courant = get(myId);
if (courant == this) return myId;
}
return null;
}
public static String[]listIds() {
Enumeration<String> myEnum = listePersonne.keys();
int lg = listePersonne.size();
String[] result = new String[lg];
for (int i = lg-1; 0 <= i ; i--) {
result[i] = myEnum.nextElement();
}
return result;
}
public static Personne get(String cle) {
return listePersonne.get(cle);
}
static public void add(Personne p) {
listePersonne.put("p"+courant,p);
courant++;
}
static public void del(Personne p) {
listePersonne.remove(p.getId());
courant--;
}
public static void main(String[]args) {
String[]ids = listIds();
for (int i = 0; i < ids.length; i++) {
System.out.println(ids[i]);
}
}
} |
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