Person.java
package people;

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

    public Person(String name, int month, int day, int year ){
        this.firstName = name.substring(0,name.indexOf(" "));
        this.lastName =  name.substring(name.indexOf(" ")+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 lasName() {
        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() {
        return ((year >=1945) & (year <=1964));
    }
}