//:?BangBean.java
//?A?graphical?Bean
package?bangbean;
import?java.awt.*;
import?java.awt.event.*;
import?java.io.*;
import?java.util.*;

public?class?BangBean?extends?Canvas
?????implements?Serializable?{
??protected?int?xm?ym;
??protected?int?cSize?=?20;?//?Circle?size
??protected?String?text?=?“Bang!“;
??protected?int?fontSize?=?48;
??protected?Color?tColor?=?Color.red;
??protected?ActionListener?actionListener;
??public?BangBean（）?{
????addMouseListener（new?ML（））;
????addMouseMotionListener（new?MML（））;
??}
??public?int?getCircleSize（）?{?return?cSize;?}
??public?void?setCircleSize（int?newSize）?{
????cSize?=?newSize;
??}
??public?String?getBangText（）?{?return?text;?}
??public?void?setBangText（String?newText）?{
????text?=?newText;
??}
??public?int?getFontSize（）?{?return?fontSize;?}
??public?void?setFontSize（int?newSize）?{
????fontSize?=?newSize;
??}
??public?Color?getTextColor（）?{?return?tColor;?}
??public?void?setTextColor（Color?newColor）?{
????tColor?=?newColor;
??}
??public?void?paint（Graphics?g）?{
????g.setColor（Color.black）;
????g.drawOval（xm?-?cSize/2?ym?-?cSize/2?
??????cSize?cSize）;
??}
??//?This?is?a?unicast?listener?which?is
??//?the?simplest?form?of?listener?management:
??public?void?addActionListener?（
??????ActionListener?l）?
????????throws?TooManyListenersException?{
????if（actionListener?!=?null）
??????throw?new?TooManyListenersException（）;
????actionListener?=?l;
??}
??public?void?removeActionListener（
??????ActionListener?l）?{
????actionListener?=?null;
??}
??class?ML?extends?MouseAdapter?{
????public?void?mousePressed（MouseEvent?e）?{
??????Graphics?g?=?getGraphics（）;
??????g.setColor（tColor）;
??????g.setFont（
????????new?Font（
??????????“TimesRoman“?Font.BOLD?fontSize））;
??????int?width?=?
????????g.getFontMetrics（）.stringWidth（text）;
??????g.drawString（text?
????????（getSize（）.width?-?width）?/2
????????getSize（）.height/2）;
??????g.dispose（）;
??????//?Call?the?listener‘s?method:
??????if（actionListener?!=?null）
????????actionListener.actionPerformed（
??????????new?ActionEvent（BangBean.this
????????????ActionEvent.ACTION_PERFORMED?null））;
????}
??}
??class?MML?extends?MouseMotionAdapter?{
????public?void?mouseMoved（MouseEvent?e）?{
??????xm?=?e.getX（）;
??????ym?=?e.getY（）;
??????repaint（）;
????}
??}
??public?Dimension?getPreferredSize（）?{
????return?new?Dimension（200?200）;
??}
??//?Testing?the?BangBean:
??public?static?void?main（String[]?args）?{
????BangBean?bb?=?new?BangBean（）;
????try?{
??????bb.addActionListener（new?BBL（））;
????}?catch（TooManyListenersException?e）?{}
????frame?aframe?=?new?frame（“BangBean?Test“）;
????aframe.addWindowListener（
??????new?WindowAdapter（）?{
????????public?void?windowClosing（WindowEvent?e）?{
??????????System.exit（0）;
????????}
??????}）;
????aframe.add（bb?BorderLayout.CENTER）;
????aframe.setSize（300300）;
????aframe.setVisible（true）;
??}
??//?During?testing?send?action?information
??/

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

?????文件??????????0??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\bangbean\1.files

?????文件???????3182??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\bangbean\BangBean.java

?????文件??????????0??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c02\1.files

?????文件????????846??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c02\Property.java

?????文件??????????0??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\23.files

?????文件???????7893??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\AllOps.java

?????文件????????534??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\Assignment.java

?????文件????????461??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\AutoInc.java

?????文件???????2041??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\BitManipulation.java

?????文件????????876??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\Bool.java

?????文件????????557??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\BreakAndContinue.java

?????文件????????627??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\CastingNumbers.java

?????文件????????236??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\CommaOperator.java

?????文件????????220??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\EqualsMethod.java

?????文件????????264??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\EqualsMethod2.java

?????文件????????248??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\Equivalence.java

?????文件???????1104??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\LabeledFor.java

?????文件????????702??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\LabeledWhile.java

?????文件????????345??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\ListCharacters.java

?????文件????????742??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\Literals.java

?????文件???????1505??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\MathOps.java

?????文件????????333??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\Overflow.java

?????文件????????382??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\Passobject.java

?????文件????????672??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\RandomBounds.java

?????文件????????803??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\ShortCircuit.java

?????文件????????381??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\URShift.java

?????文件????????675??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\VowelsAndConsonants.java

?????文件????????242??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c03\WhileTest.java

?????文件??????????0??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c04\20.files

?????文件????????574??2001-01-20?04:59??java編程思想第五版（附筆記）\Java編程思想\code1\c04\ArrayClassObj.java

............此處省略1605個文件信息