Person.java
/* This program will model a person in terms of five properties, first name and last name (String values), 
 * month, day, and year of birth (int values). 
 */
package people;

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

    //constructors
    public Person(String name, int month, int day, int year){
        int indexOfSpace = name.indexOf(" ");
        this.firstName = name.substring(0,indexOfSpace);
        this.lastName = name.substring(indexOfSpace+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).toUpperCase()+lastName.substring(0,1).toUpperCase();
    }
    @Override
    public boolean isBoomer() {
        if (year >= 1945 & year <= 1965) {
            return true;
        } else {
            return false;
        }
    }
}