Person.java
/* 
 * This program creates Person objects that that has 5 properties: first name, last name, month, day, and year of birth 
 */

package people;

public class Person implements PersonSpecification {
    //instance variables
    private String firstName;
    private String lastName;
    private int month;
    private int day;
    private int year;

    //constructor
    public Person(String name, int month, int day, int year){
        int spacePos = name.indexOf(" ");
        firstName = name.substring(0, spacePos);
        lastName = name.substring(spacePos + 1);
        this.month = month;
        this.day = day;
        this.year = year;
    }

    public String toString(){
        return firstName + " " + lastName + ", born " + month + "/" + day + "/" + year;
    }

    @Override
    public String firstName() {
        return firstName;
    }

    @Override
    public String lastName() {
        return lastName;
    }

    @Override
    public int month() {
        return month;
    }

    @Override
    public int day() {
        return day;
    }

    @Override
    public int year() {
        return year;
    }

    @Override
    public String initials() {
        return firstName.substring(0, 1) + lastName.substring(0, 1);
    }

    @Override
    public boolean isBoomer() {
        if (year >= 1944 && year <= 1964){
            return true;
        }
        else{
            return false;
        }
    }
}