Salut,
Il y a les classes java.util.Hashtable et java.util.HashMap.
Tu utilises la méthode put(Object key, Object value) pour ajouter et la méthode "Object get(Object key)" pour récupérer.
(Tiré de la javadoc)
This example creates a hashtable of numbers. It uses the names of the numbers as keys:
Hashtable numbers = new Hashtable();
numbers.put("one", new Integer(1));
numbers.put("two", new Integer(2));
numbers.put("three", new Integer(3));
To retrieve a number, use the following code:
Integer n = (Integer)numbers.get("two");
if (n != null) {
System.out.println("two = " + n);
}
http://java.sun.com/j2se/1.4.2/docs/api/java/util/Hashtable.html
bon courage