import?java.math.BigDecimal;
import?java.math.BigInteger;
import?java.util.Iterator;
import?java.util.Map;
import?java.util.TreeMap;

public?class?Item?{

	//?Integer?指數?BigDecimal?系數
	Map?itemMap?=?new?TreeMap（
			new?ItemComparator（））;

	/**
	?*?
	?*/
	private?static?final?long?serialVersionUID?=?-5742467143562230421L;

	public?Item（）?{

	}

	public?boolean?containKey（int?key）?{
		if?（itemMap.containsKey（new?Integer（key）））
			return?true;
		else
			return?false;
	}

	public?BigDecimal?getValue（Integer?key）?{
		if?（itemMap.containsKey（key））?{
			return?itemMap.get（key）;
		}?else
			return?new?BigDecimal（0）;
	}

	public?BigDecimal?getValue（int?key）?{
		if?（containKey（key））
			return?itemMap.get（new?Integer（key））

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8919??2006-12-05?12:08??Shareframe.java

?????文件???????2430??2006-12-05?11:10??ShareSec.java

?????文件???????2180??2006-12-03?19:05??Item.java

?????文件????????198??2006-11-27?20:59??ItemComparator.java

?????文件????????894??2006-12-05?11:11??Polynomial.java

?-rw-r--r--???????221??2013-07-17?15:17??readme_verysource.com.txt

-----------?---------??----------?-----??----

????????????????14842????????????????????6