/**
?*?Filename:Inherit
?*?Description:
?*?Copyright:????Copyright?（c）?2002
?*?Company:
?*?@author:Liyunshan
?*?@version?1.0
?*/

import?java.awt.Color;

//父類?Shape類的聲明
abstract?class?Shape
{
	public?final?double?PI?=?3.14;
	protected?Color?color;		//形狀的顏色
	protected?int?lineSize;		//線寬

	//構建器
	public?Shape（）
	{
		color?=?Color.black;
		lineSize?=?1;
	}

	public?Shape（Color?c?int?ls）
	{
		color?=?c;
		lineSize?=?ls;
	}

	//設置顏色
	public?void?setColor（Color?c）
	{
		color?=?c;
	}

	//獲得顏色
	public?Color?getColor（）
	{
		return?color;
	}

	//設置線寬
	public?void?setLineSize（int?ls）
	{
		lineSize?=?ls;
	}

	//獲得線寬
	public?int?getLineSize（）
	{
		return?lineSize;
	}

	//抽象方法draw
	abstract?void?draw（）;

	//抽象方法area
	abstract?double?area（）;
}

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

?????文件????????548??2002-06-13?16:20??ch1\Exercise\練習一答案.txt

?????文件???????1203??2002-06-13?17:02??ch2\Exercise\練習二答案.txt

?????文件????????424??2018-10-21?23:58??ch2\HelloJava.class

?????文件????????288??2002-06-18?23:27??ch2\HelloJava.java

?????文件????????528??2002-06-18?20:44??ch3\Exercise\ColorSet.class

?????文件????????204??2002-06-18?20:46??ch3\Exercise\ColorSet.html

?????文件????????401??2002-06-18?21:38??ch3\Exercise\ColorSet.java

?????文件????????758??2002-06-18?20:57??ch3\Exercise\MouseDown.class

?????文件????????204??2002-06-18?20:57??ch3\Exercise\MouseDown.html

?????文件????????606??2002-06-18?21:43??ch3\Exercise\MouseDown.java

?????文件????????628??2002-06-18?23:49??ch3\Exercise\練習三答案.txt

?????文件?????181898??2002-06-18?20:41??ch3\Exercise\運行結果3-1.bmp

?????文件?????156210??2002-06-18?20:30??ch3\Exercise\運行結果3-2.bmp

?????文件?????105510??2002-06-18?21:04??ch3\Exercise\運行結果3-3.bmp

?????文件????????387??2002-06-11?22:08??ch3\Firstapplet.class

?????文件????????252??2002-06-13?17:15??ch3\Firstapplet.html

?????文件????????343??2002-06-18?21:37??ch3\Firstapplet.java

?????文件???????1217??2002-08-31?10:21??ch3\Secondapplet.class

?????文件????????345??2018-10-25?23:40??ch3\Secondapplet.html

?????文件????????728??2002-08-16?15:47??ch3\Secondapplet.java

?????文件????????715??2002-06-18?23:40??ch4\Exercise\Anothername.java

?????文件????????428??2002-06-23?16:02??ch4\Exercise\Test.class

?????文件????????341??2002-06-23?16:03??ch4\Exercise\Test.java

?????文件????????750??2002-06-23?16:20??ch4\Exercise\Test2.class

?????文件????????477??2002-06-23?16:20??ch4\Exercise\Test2.java

?????文件????????638??2002-06-23?16:41??ch4\Exercise\練習四答案.txt

?????文件????????884??2002-08-31?10:32??ch4\FirstApplication.class

?????文件????????759??2002-08-31?10:37??ch4\FirstApplication.java

?????文件????????670??2002-08-31?10:45??ch4\SecondApplication$MyActionListener.class

?????文件????????453??2002-08-31?10:45??ch4\SecondApplication$myWindowListener.class

............此處省略580個文件信息