public static void main(String[] args) {
Personne[] tab = {
new Personne("thibault", "Rougier", 2001),
new Personne("thomas", "Niesseron", 1987),
new Personne("thifaine", "Mitenne", 1959),
new Personne("maxime", "Forest", 1995),
new Personne("jules", "Forest", 1995)
};
System.out.println("--- Nes apres 1985 : ");
Stream.of(tab)
.filter(pp -> pp.getAnnee() > 1985)
.forEach(pp -> System.out.print(pp.getPrenom() + ", "));
System.out.println("\n--- Nes avant 2000 :");
long nombre =
Stream.of(tab)
.filter(pp -> pp.getAnnee() < 2000)
.sorted(Comparator.comparing(Personne::getNom))
.peek(pp -> System.out.print(pp.getNom() + " "))
.count();
System.out.println("\n Ils sont " + nombre);
System.out.println("--- Tous tries sur nom + prenom : ");
Stream.of(tab)
.sorted(Comparator.comparing(pp -> pp.getNom() + pp.getPrenom()))
.forEach(pp -> System.out.print("(" + pp.getNom() + ", " + pp.getPrenom() + ") "));
}
private static Comparator<Integer> composedComparator() {
final Comparator<Integer> bitCountComparator =
(o1, o2) -> Integer.compare(bitCount(o1), bitCount(o2));
return bitCountComparator.thenComparing(naturalComparator());
}