Person.java
import java.util.Set;
import java.util.TreeSet;
public class Person
{
private String firstName;
private String lastName;
public Person(String firstName, String lastName)
{
this.firstName = firstName;
this.lastName = lastName;
}
public String toString()
{
return lastName + "/" + firstName;
}
// This method is used to check your work
public static Set<Person> check(String[] names)
{
Set<Person> result = new TreeSet<Person>();
for (int i = 0; i < names.length; i += 2)
{
Person p = new Person(names[i], names[i + 1]);
result.add(p);
}
return result;
}
}