1    /* 
2     *  this program will model a person in terms of five properties, 
3     * first name and last name (String values), month, day, and year of birth (int values) 
4     */
5    
6    package people;
7    
8    public class Person implements PersonSpecification {
9    
10       //Instance Variables
11   
12       private String firstName;
13       private String lastName;
14       private int month;
15       private int day;
16       private int year;
17   
18       // Constructors
19   
20       public Person(String firstName, int month, int day, int year) {
21           this.firstName = (firstName.substring(0,firstName.indexOf(" ")));
22           this.lastName = (firstName.substring(firstName.indexOf(" "),firstName.length()+0));
23           this.month = month;
24           this.day = day;
25           this.year = year;
26       }
27   
28       // Methods
29   
30       public String toString() {
31           String output = (firstName + lastName + " " + month + "/" + day + "/" + year);
32           return output;
33       }
34   
35   
36       @Override
37       public String firstName() {
38           return firstName;
39       }
40   
41       @Override
42       public String lastName() {
43           return lastName;
44       }
45   
46       @Override
47       public int month() {
48           return month;
49       }
50   
51       @Override
52       public int day() {
53           return day;
54       }
55   
56       @Override
57       public int year() {
58           return year;
59       }
60   
61       @Override
62       public String initials() {
63           String initials = (firstName.substring(0,1) + lastName.substring(1,2));
64           return initials;
65       }
66   
67       @Override
68       public boolean isBoomer() {
69   
70           return (year < 1964);
71       }
72   }
73