Refer Code Display 5.19  in text book.

public class Person 
{
	private String name;
	private Date born;
	private Date died;

	public Person(String initName, Date bdayDate, Date deathDate)
	{
		if (consistent(bdayDate, deathDate))
		{
			name = initName;
			born = new Date(bdayDate);
			if (deathDate == null)
				died = null;
			else
				died = new Date(deathDate);
		} else {
			System.out.println("Inconsistent dates. Aborting.");
			System.exit(0);
		}
	}

	public Person(Person original) 
	{
		if (original == null) 
		{
			System.out.println("Fatal error.");
			System.exit(0);
		}

		name = original.name;
		born = new Date(original.born);

		if (original.died == null)
			died = null;
		else
			died = new Date(original.died);
	}

	public void set(String nameNew, Date bdayDate, Date deathDate)
	{
		if (consistent(bdayDate, deathDate))
		{
			name = nameNew;
			born = new Date(bdayDate);
			if (deathDate == null)
				died = null;
			else
				died = new Date(deathDate);
		} else 
		{
			System.out.println("Inconsistent dates. Aborting.");
			System.exit(0);
		}
	}

	public String toString()
	{
		String diedString;
		if (died == null)
			diedString = "";
		else
			diedString = died.toString();

		return (name + ", " + born + "-" + diedString);
	}

	public boolean equals(Person otherPerson)
	{
		if (otherPerson == null)
			return false;
		else
			return (name.equals(otherPerson.name) && born.equals(otherPerson.born)
					&& datesMatch(died, otherPerson.died));
	}

	private static boolean datesMatch(Date date1, Date date2) 
	{
		if (date1 == null)
			return (date2 == null);
		else if (date2 == null) 
			return false;
		else 
			return (date1.equals(date2));
	}

	public void setbdayDate(Date newDate)
	{
		if (consistent(newDate, died))
			born = new Date(newDate);
		else
		{
			System.out.println("Inconsistent dates. Aborting.");
			System.exit(0);
		}
	}

	public void setDeathDate(Date newDate) 
	{

		if (!consistent(born, newDate))
		{
			System.out.println("Inconsistent dates. Aborting.");
			System.exit(0);
		}

		if (newDate == null)
			died = null;
		else
			died = new Date(newDate);
	}

	public void setName(String nameNew)
	{
		name = nameNew;
	}

	public void setBirthYear(int newYear)
	{
		if (born == null) 
		{
			System.out.println("Fata; Error. Aborting.");
			System.exit(0);
		}
		born.setYear(newYear);
		if (!consistent(born, died))
		{
			System.out.println("Inconsistent dates. Aborting.");
			System.exit(0);
		}
	}

	public void setDeathYear(int newYear) 
	{
		if (died == null) 
		{
			System.out.println("Fata; Error. Aborting.");
			System.exit(0);
		}
		died.setYear(newYear);
		if (!consistent(born, died)) {
			System.out.println("Inconsistent dates.Aborting.");
			System.exit(0);
		}
	}

	public String getName() {
		return name;
	}

	public Date getbdayDate() {
		return new Date(born);
	}

	public Date getDeathDate() {
		if (died == null)
			return null;
		else
			return new Date(died);
	}

	private static boolean consistent(Date bdayDate, Date deathDate) {
		if (bdayDate == null)
			return false;
		else if (deathDate == null)
			return true;
		else
			return (bdayDate.precedes(deathDate) || bdayDate.equals(deathDate));
	}
}

OUTPUT: