How to compare objects by multiple fields

Question

Assume you have some objects which have several fields they can be compared by:

public class Person {

    private String firstName;
    private String lastN         


        

Answer 1

You can also have a look at Enum that implements Comparator.

http://tobega.blogspot.com/2008/05/beautiful-enums.html

e.g.

Collections.sort(myChildren, Child.Order.ByAge.descending());