Person.java Source code

Java tutorial

Introduction

Here is the source code for Person.java

Source

import java.util.Arrays;
import java.util.Set;
import java.util.TreeSet;

public class Person implements Comparable {
    String firstName, lastName;

    public Person(String f, String l) {
        this.firstName = f;
        this.lastName = l;
    }

    public String getFirstName() {
        return firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public String toString() {
        return "[dept=" + firstName + ",name=" + lastName + "]";
    }

    public int compareTo(Object obj) {
        Person emp = (Person) obj;
        int deptComp = firstName.compareTo(emp.getFirstName());

        return ((deptComp == 0) ? lastName.compareTo(emp.getLastName()) : deptComp);
    }

    public boolean equals(Object obj) {
        if (!(obj instanceof Person)) {
            return false;
        }
        Person emp = (Person) obj;
        return firstName.equals(emp.getFirstName()) && lastName.equals(emp.getLastName());
    }

    public static void main(String args[]) {
        Person emps[] = { new Person("Debbie", "Degree"), new Person("Geri", "Grade"),
                new Person("Ester", "Extent"), new Person("Mary", "Measure"), new Person("Anastasia", "Amount") };
        Set set = new TreeSet(Arrays.asList(emps));
        System.out.println(set);
    }
}