1    /* 
2     *Person Functionality 
3     */
4    package people;
5    
6    public interface PersonSpecification {
7        public String firstName();
8        public String lastName();
9        public int month();
10       public int day();
11       public int year();
12       public String initials();
13       public boolean isBoomer();
14   }
15   
16   
17   
18