import java.util.Calendar;
import java.util.GregorianCalendar;

/*
 * Class representing a person with first and last names and a birth year.
 */
public class Person 
{
	private String firstName;
	private String lastName;
	private int birthYear;

	public Person() 
	{		
	}
	
	public Person(String firstName, String lastName, int birthYear) {
		super();
		this.firstName = firstName;
		this.lastName = lastName;
		this.birthYear = birthYear;
	}
	
	public String getFirstName() {
		return firstName;
	}

	public void setFirstName(String firstName) {
		this.firstName = firstName;
	}

	public String getLastName() {
		return lastName;
	}

	public void setLastName(String lastName) {
		this.lastName = lastName;
	}

	public int getBirthYear() {
		return birthYear;
	}

	public void setBirthYear(int birthYear) {
		this.birthYear = birthYear;
	}
	
	public int getAge()
	{	// Note: This is a bad estimate as it can sometimes be wrong.			
		GregorianCalendar date = new GregorianCalendar();
		return date.get(Calendar.YEAR) - birthYear;
	}
	
	public String getFullName()
	{	return firstName + " " + lastName; }
	
	public String toString()
	{	StringBuffer buf = new StringBuffer(100);
		buf.append("First name: "+firstName);
		buf.append(" Last name: "+lastName);
		buf.append(" Year: "+birthYear);
		return buf.toString();
	}
}