labtest1
Class GoldPrice

java.lang.Object
  labtest1.GoldPrice

public class GoldPrice
extends Object

This utility class provides gold prices.

Field Summary

static double

GRAMS_PER_TROY_OUNCE Number of grams per troy ounce.

Method Summary

static double

get(int days) Returns the price of one troy ounce of gold the given number of days ago.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

GRAMS_PER_TROY_OUNCE

public static final double GRAMS_PER_TROY_OUNCE

Number of grams per troy ounce.

See Also:

Constant Field Values

Method Detail

get

public static double get(int days)

Returns the price of one troy ounce of gold the given number of days ago. For example, if the given number is zero, then today's price is returned.

Parameters:

days - number of days ago.

Precondition:

days >= 0

Returns:

the price of one troy ounce of gold the given number of days ago.