毕业设计 java编写

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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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

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

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

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

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

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

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

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

    ..AD...         0  2001-11-17 18:56  计算器

----------- ---------  ---------- -----  ----

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