import?java.awt.*;
import?java.awt.event.*;

public?class?Calculator?extends?WindowAdapter?implements?ActionListener{
????private?double?result=0data1=0radixPointDepth=1;
????private?boolean?radixPointIndicate=falseresultIndicate=false;
????private?char?prec=‘+‘;
???private?frame?f;
???private?TextField?tf;
???private?Button?b1b2b3b4b5b6b7b8b9b10b11b12b13b14b15b16;
???private?Panel?p;

???
???static?public?void?main（String?args[]）{
???????
??????Calculator?de=new?Calculator（）;
??????de.go（）;
???}

???public?void?go（）{

??????????f=new?frame（“Calculator?0.1?by?SunYang“）;

????????????p=new?Panel（）;
????????????p.setLayout（new?GridLayout（44））;????
?????????????tf=new?TextField（30）;
??????????b1=new?Button（“7“）;
?????????????b2=new?Button（“8“）;
????????????b3=new?Button（“9“）;
????????????b4=new?Button（“+“）;
?????????????b5=new?Button（“4“）;
?????????????b6=new?Button（“5“）;
?????????????b7=new?Button（“6“）;
?????????????b8=new?Button（“-“）;
?????????????b9=new?Button（“1“）;
?????????????b10=new?Button（“2“）;
?????????????b11=new?Button（“3“）;
?????????????b12=new?Button（“*“）;
?????????????b13=new?Button（“0“）;
?????????????b14=new?Button（“.“）;
?????????????b15=new?Button（“=“）;
?????????????b16=new?Button（“/“）;



????????????f.add（tf“North“）;
????????????f.add（p“Center“）;
????
???????????p.add（b1）;
????????????p.add（b2）;
????????????p.add（b3）;
????????????p.add（b4）;
????????????p.add（b5）;
????????????p.add（b6）;
????????????p.add（b7）;
????????????p.add（b8）;
????????????p.add（b9）;
????????????p.add（b10）;
????????????p.add（b11）;
????????????p.add（b12）;
????????????p.add（b13）;
????????????p.add（b14）;
????????????p.add（b15）;
????????????p.add（b16）;

????????????b1.addActionListener（this）;
????????????b2.addActionListener（this）;
????????????b3.addActionListener（this）;
????????????b4.addActionListener（this）;
????????????b5.addActionListener（this）;
????????????b6.addActionListener（this）;
????????????b7.addActionListener（this）;
????????????b8.addActionListener（this）;
????????????b9.addActionListener（this）;
????????????b10.addActionListener（this）;
????????????b11.addActionListener（this）;
????????????b12.addActionListener（this）;
????????????b13.addActionListener（this）;
????????????b14.addActionListener（this）;
????????????b15.addActionListener（this）;
????????????b16.addActionListener（this）;

????????f.addWindowListener（this）;????????
????????f.setSize（300200）;
????????f.setVisible（true）;
????????????//f.pack（）;
???}

???public?void?actionPerformed（ActionEvent?e）{


????????String?s;????????
????????s=e.getActionCommand（）;


?????????switch（s.charAt（0））{
??????????????case?‘0‘:?case?‘1‘:?case?‘2‘:?case?‘3‘:?case?‘4‘:?case?‘5‘:?case?‘6‘:?case?‘7‘:?case?‘8‘:?case?‘9‘:
????????????????????if（resultIndicate）{
??????????????????????result=0;
??????????????????????data1=0;
??????????????????????prec=‘+‘;

???????????????????}
??????????????????Integer?I

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

?????文件???????3816??2004-12-01?17:38??計算器\Calculator.class

?????文件???????5091??2004-10-18?15:48??計算器\Calculator.java

?????文件????????526??2004-12-03?15:10??計算器\Calculatorframe$WindowHandler.class

?????文件???????2550??2004-12-03?15:10??計算器\Calculatorframe.class

?????文件????????874??2004-12-03?15:10??計算器\PopCalculatorapplet.class

?????文件????????802??2000-06-16?12:00??計算器\PopCalculatorapplet.html

?????文件???????2847??2004-12-03?15:10??計算器\PopCalculatorapplet.java

????..AD...?????????0??2001-11-17?18:56??計算器

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

????????????????16724????????????????????9