Java 8基于多条件和日期的对象排序数组

import java.time.LocalDate;
import java.util.Arrays;
import java.util.Comparator;

class Person {
    private String name;
    private int age;
    private LocalDate birthDate;

    public Person(String name, int age, LocalDate birthDate) {
        this.name = name;
        this.age = age;
        this.birthDate = birthDate;
    }

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }

    public LocalDate getBirthDate() {
        return birthDate;
    }

    @Override
    public String toString() {
        return "Person{" +
                "name='" + name + '\'' +
                ", age=" + age +
                ", birthDate=" + birthDate +
                '}';
    }
}

public class Main {
    public static void main(String[] args) {
        Person[] people = {
                new Person("Alice", 25, LocalDate.of(1996, 5, 15)),
                new Person("Bob", 30, LocalDate.of(1991, 10, 20)),
                new Person("Charlie", 20, LocalDate.of(2001, 3, 8))
        };

        // 按照年龄升序排序，年龄相同则按照姓名升序排序
        Arrays.sort(people, Comparator.comparing(Person::getAge).thenComparing(Person::getName));
        System.out.println(Arrays.toString(people));

        // 按照出生日期降序排序
        Arrays.sort(people, Comparator.comparing(Person::getBirthDate).reversed());
        System.out.println(Arrays.toString(people));
    }
}