Person.java Source code

Introduction

Here is the source code for Person.java

Source

import java.util.Arrays;

class Person implements Comparable<Person> {
    public Person(String firstName, String surname) {
        this.firstName = firstName;
        this.surname = surname;
    }

    public String toString() {
        return firstName + " " + surname;
    }

    public int compareTo(Person person) {
        int result = surname.compareTo(person.surname);
        return result == 0 ? firstName.compareTo(((Person) person).firstName) : result;
    }

    private String firstName;
    private String surname;
}

public class MainClass {
    public static void main(String[] args) {
        Person[] authors = { new Person("A", "B"), new Person("C", "D"), new Person("E", "F"), new Person("Z", "Y"),
                new Person("X", "T"), new Person("O", "R") };
        Arrays.sort(authors);
        System.out.println("\nThe cast is ascending sequence is:\n");
        for (Person person : authors) {
            System.out.println(person);
        }
    }
}