import java.util.*;

public class Employee {

	private String firstName;
	private String lastName;
	private Date birthDay;
	private double salary;
	private boolean married;
	private int id;
	private static int nextID = 500;
		// constructors:
	public Employee(String fName, String lName, Date bDay) {
		firstName = fName;
		lastName = lName;
		birthDay = bDay;
		salary = 0.0;
		married = false;
		id = nextID++;
	}
	
	public void setFirstName(String firstName) {
		this.firstName = firstName;
	}
	public String getFirstName() {
		return firstName;
	}
	public void setLastName(String lastName) {
		this.lastName = lastName;
	}
	public String getLastName() {
		return lastName;
	}
	public void setSalary(double salary) {
		this.salary = salary;
	}
	public double getSalary() {
		return salary;
	}
	public Date getBirthDay() {
		return birthDay;
	}
	public void setMarried(boolean married) {
		this.married = married;
	}
	public boolean isMarried() {
		return married;
	}
	public int getId() {
		return id;
	}
	
	public long getAge() {
		Date today = new Date();
		long mSecsPerYear = 315360000;
		return (today.getTime() - birthDay.getTime())/ mSecsPerYear;
	}
}