Citizen class example

gistfile1.txt

import javafx.scene.shape.Circle;

public class Citizen implements Comparable<Citizen> {

    private String firstName;
    private String lastName;
    private long socialSecurityNumber;

    public Citizen (String firstName, String lastName, long socialSecurityNumber)
    {
        this.firstName = firstName;
        this.lastName = lastName;
        this.socialSecurityNumber = socialSecurityNumber;
    }

    @Override
    public int compareTo(Citizen other) {
        if (!getFirstName().equals(other.getFirstName()))
        {
            return getFirstName().compareTo(other.getFirstName());
        }
        if (!getLastName().equals(other.getLastName()))
        {
            return getLastName().compareTo(other.getLastName());
        }
        else
        {
            if (getSocialSecurityNumber() > other.getSocialSecurityNumber()) return 1;
            else return -1;
        }
    }

    @Override
    public String toString() {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(firstName);
        stringBuilder.append(", ");
        stringBuilder.append(lastName);
        stringBuilder.append(", ");
        stringBuilder.append(String.valueOf(socialSecurityNumber).substring(0,2));
        stringBuilder.append("/");
        //....
        return stringBuilder.toString();
        //return firstName + ", " + lastName + ", " + String.valueOf(socialSecurityNumber).substring(0,2)+"/"+String.valueOf(socialSecurityNumber).substring(2,4)+" - " + String.valueOf(socialSecurityNumber).substring(4,8);

    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public long getSocialSecurityNumber() {
        return socialSecurityNumber;
    }

    public void setSocialSecurityNumber(long socialSecurityNumber) {
        this.socialSecurityNumber = socialSecurityNumber;
    }
}