1    /* 
2    *This program will model a person in terms of five properties: 
3    * First Name and Last Name (STRING Value) 
4    * Month, Day, and Year of Birth (INT Value) 
5    * 
6    * this code is using the methods that were defined 
7    * only implement interfaces to classes 
8     */
9    
10   package people;
11   
12   public class Person implements PersonSpecification {
13   
14       //INSTANCE VARIABLES
15       private String firstName;
16       private String lastName;
17       private int month;
18       private int day;
19       private int year;
20   
21       //CONSTRUCTOR
22       //First name and Last name are defined as name but are differentiate by using substring
23       public Person(String name, int month, int day, int year) {
24           int spacePosition = name.indexOf(" ");
25           this.firstName = name.substring(0, spacePosition);
26           this.lastName = name.substring(spacePosition + 1);
27           this.month = month;
28           this.day = day;
29           this.year = year;
30       }
31   
32   
33       //displays the name and birthday of all people
34       //toString Method
35       public String toString() {
36           return (firstName + " " + lastName) + "," + month + "|" + day + "|" + year;
37       }
38   
39   
40       @Override
41       public String firstName() {
42           return firstName;
43       }
44   
45       @Override
46       public String lastName() {
47           return lastName;
48       }
49   
50       @Override
51       public int month() {
52           return month;
53       }
54   
55       @Override
56       public int day() {
57           return day;
58       }
59   
60       @Override
61       public int year() {
62           return year;
63       }
64   
65       @Override
66       public String initials() {
67           String firstNameFirstLetter = firstName.substring(0, 1);
68           String lastNameFirstLetter = lastName.substring(0, 1);
69           String initials = firstNameFirstLetter + lastNameFirstLetter;
70           return initials;
71       }
72   
73       @Override
74       public boolean isBoomer() {
75           if (1946 <= year & year <= 1964) {
76               return true;
77           } else
78               return false;
79   
80       }
81   }
82   
83