+ return this.firstname.compareTo(person.getFirstname()) + this.origin.compareTo(person.getOrigin())
+ + this.size.compareTo(person.getPersonSize()) + this.weight.compareTo(person.getWeight())
+ + this.eye.compareTo(person.getEye());
+ }
+
+ @Override
+ public int compare(Person p1, Person p2) {
+ return p1.compareTo(p2);