// Page 201-203

public class ExtTime extends Time
{
	private String zone;
	public ExtTime()
	{
		super();
		zone = "EST";
	}
	public ExtTime(int h, int m, int s, String z)
	{
		super(h, m, s);
		zone = z;
	}
	public void set(int h, int m, int s, String z)
	{
		set(h, m, s);
		zone = z;
	}
	//	increment () is inherited from the Time class
	public void writeOut ()
	{
		super.writeOut();
		System.out.print(" " + zone);
	}
	public boolean equal (ExtTime other)
	{
		return (super.equal(other) && zone.equals(other.zone));
	}
}