最强计算器指标公式源码（最强函数计算器）
本文目录一览：
求C++编写的科学计算器源代码
#include iostream.h
#include malloc.h
#include stdio.h
#define STACK_INIT_SIZE 100
#define STACKINCREMENT 10
#define OK 1
#define ERROR 0
#define TRUE 1
#define FLASE 0
#define OVERFLOW 0
typedef int Status;
typedef double SElemType;
typedef struct {
SElemType *base;
SElemType *top;
int stacksize;
}SqStack;
Status InitStack(SqStack S) //构造一个空栈
{
S.base = ( SElemType * )malloc(STACK_INIT_SIZE * sizeof(SElemType) );
if(!S.base) return OVERFLOW;
S.top=S.base;
S.stacksize=STACK_INIT_SIZE;
return OK;
}
Status Push(SqStack S,SElemType e)//入栈操作
{
*S.top++=e;
return OK;
}
Status Pop(SqStack S,SElemType e)//出栈操作
{
if(S.top==S.base) return ERROR;
e=*--S.top;
return OK;
}
double GetTop(SqStack S)//取栈顶元素
{
if(S.base==S.top) return 0;
SElemType e=*(S.top-1);
return e;
}
int In(char c)//判断是不是运算数
{
if(c='9'c='0'||c=='.') return 0;
else return 1;
}
char Precede(char a,char c)//判断运算符的优先关系
{
char b[7][7]={'','','','','','','',
'','','','','','','',
'','','','','','','',
'','','','','','','',
'','','','','','=',' ',
'','','','',' ','','',
'','','','','',' ','='};
int i,j;
switch(a){
case '+' : i=0;break;
case '-' : i=1;break;
case '*' : i=2;break;
case '/' : i=3;break;
case '(' : i=4;break;
case ')' : i=5;break;
case '#' : i=6;break;}
switch(c){
case '+' : j=0;break;
case '-' : j=1;break;
case '*' : j=2;break;
case '/' : j=3;break;
case '(' : j=4;break;
case ')' : j=5;break;
case '#' : j=6;break;}
return b[i][j];
}
double operate (double a,double theta,double b)//计算表达式
{ //a-=48,b-=48; //ascll码变为数字
int theta1=theta;
switch(theta1){
case '+':
return a+b;
case '-':
return a-b;
case '*':
return a*b;
case '/':
return a/b;
default : return 0;
}//switch
}
double EvaluateExpress()
{ SqStack OPTR,OPND;
InitStack(OPTR);
Push(OPTR, '#');
InitStack(OPND);
cout"输入整个表达式,以#号键结束"
double x,a,b;
double theta;
char c=getchar();
while(c!='#'|| GetTop(OPTR)!='#'){
if(!In(c)) {
double d=c-48,dian=0; //化为10进制
for( c=getchar();In(c)==0;c=getchar())/*读入数字序列*/
if(c=='.')
{dian=1;}
else
{d=10*d+c-48;dian=dian*10.;}
if(dian!=0.)d=d/dian;
Push(OPND,d);
} //c为运算数,先化ASCll码为十进制数,再入OPND栈,
//if(In(c))//不能只用一个else,否则发生错误
switch(Precede(GetTop(OPTR),c)){
case '':
Push(OPTR, c);c=getchar(); //栈顶元素优先?
break;
case '=':
Pop(OPTR, x); c=getchar(); //脱括号并接受下一个字符
break;
case '': //退栈并将运算结果入栈
Pop(OPTR,theta);
Pop(OPND,b);
Pop(OPND,a);
Push(OPND,operate(a,theta,b));
break;
case ' ':
return ERROR;
}//switch
}//while
return GetTop(OPND);
}
void main()
{double result;
result=EvaluateExpress();
cout"表达式的运算结果是"
}
求计算器源代码
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace jisuan
{
/// summary
/// Form1 的摘要说明。
/// /summary
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.ComboBox comboBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
/// summary
/// 必需的设计器变量。
/// /summary
private System.ComponentModel.Container components = null;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();
//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}
/// summary
/// 清理所有正在使用的资源。
/// /summary
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows 窗体设计器生成的代码
/// summary
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// /summary
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(24, 72);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 21);
this.textBox1.TabIndex = 0;
this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(312, 72);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(100, 21);
this.textBox2.TabIndex = 1;
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(448, 72);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(88, 21);
this.textBox3.TabIndex = 2;
//
// comboBox1
//
this.comboBox1.Items.AddRange(new object[] {
"+",
"-",
"*",
"/"});
this.comboBox1.Location = new System.Drawing.Point(152, 72);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(121, 20);
this.comboBox1.TabIndex = 3;
this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
//
// button1
//
this.button1.Location = new System.Drawing.Point(64, 184);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(104, 32);
this.button1.TabIndex = 4;
this.button1.Text = "计算";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(216, 192);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 5;
this.button2.Text = "清除";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(376, 192);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 23);
this.button3.TabIndex = 6;
this.button3.Text = "退出";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(656, 366);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.comboBox1);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
/// summary
/// 应用程序的主入口点。
/// /summary
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
public double jia(double a,double b)
{
return a+b;
}
public double jian(double a,double b)
{
return a-b;
}
public double cheng(double a,double b)
{
return a*b;
}
public double chu(double a,double b)
{
return a/b;
}
private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
{
}
private void textBox1_TextChanged(object sender, System.EventArgs e)
{
}
private void button1_Click(object sender, System.EventArgs e)
{
string i=this.comboBox1.SelectedItem.ToString();
switch(i)
{
case "+":this.textBox3.Text=this.jia(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
case "-":this.textBox3.Text=this.jian(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
case "*":this.textBox3.Text=this.cheng(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
case"/" :this.textBox3.Text=this.chu(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
}
}
private void button2_Click(object sender, System.EventArgs e)
{
this.textBox1.Text=null;
this.textBox2.Text=null;
this.textBox3.Text = null;
}
private void button3_Click(object sender, EventArgs e)
{
//this.Hide();
Application.Exit();
//this.Close();
}
}
}
是否可以解决您的问题？
求基于Java开发的多功能计算器源码，要有注释的，谢谢！
import java.awt.*;
import java.awt.event.*;
public class Calculator extends WindowAdapter implements ActionListener
{
private double result=0,data1=0,radixPointDepth=1;
private boolean radixPointIndicate=false,resultIndicate=false;
private char prec='+';
private Frame f;
private TextField tf;
private Button b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15,b16,b17;
private Panel p;
static public void main(String args[])
{
Calculator de=new Calculator();
de.go();
}
public void go()
{
f=new Frame("计算器");
p=new Panel();
p.setLayout(new GridLayout(4,4));
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("/");
b17=new Button("清零");
f.add(tf,"North");
f.add(p,"Center");
f.add(b17,"South");
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);
b17.addActionListener(this);
f.addWindowListener(this);
f.setSize(250,190);
f.setVisible(true);
}
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 Int1=new Integer(s);
if(radixPointIndicate)
{
radixPointDepth=radixPointDepth/10;
data1=data1+(Int1.intValue())*radixPointDepth;
}
else
{
data1=data1*10+(Int1.intValue());
}
Double displayNumber=new Double(data1);
tf.setText(displayNumber.toString());
resultIndicate=false;
break;
case '+': case '-':case '*':case '/':case '=':
if(s.charAt(0)!='='resultIndicate)
{
prec=s.charAt(0);
resultIndicate=false;
}
else
{
switch(prec)
{
case '+':
result=result+data1;
break;
case '-':
result=result-data1;
break;
case '*':
result=result*data1;
break;
case '/':
result=result/data1;
break;
}
}
radixPointIndicate=false;
radixPointDepth=1;
displayNumber=new Double(result);
tf.setText(displayNumber.toString());
if(s.charAt(0)!='=')
{
data1=0;
prec=s.charAt(0);
}
else
{
resultIndicate=true;
}
break;
case '.':
radixPointIndicate=true;
break;
}
if(s.equals("清零"))
{
result=0;
data1=0;
radixPointDepth=1;
tf.setText("");
}
}
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
}
谁给我做个易语言计算器源码，具体如下
可以自定义算式的，关于组件的名称截图里都标了的。
如果LZ要源码就留下邮箱吧
.版本 2
.子程序 _按钮1_被单击
.局部变量 输入, 整数型, , "6"
.局部变量 算式, 文本型
.局部变量 Suan, 文本型, , "0"
.局部变量 S, 文本型
.局部变量 i, 整数型
.局部变量 ii, 整数型
.局部变量 结果, 整数型
输入 [1] ＝ 到整数 (编辑框A.内容)
输入 [2] ＝ 到整数 (编辑框B.内容)
输入 [3] ＝ 到整数 (编辑框C.内容)
输入 [4] ＝ 到整数 (编辑框D.内容)
输入 [5] ＝ 到整数 (编辑框E.内容)
输入 [6] ＝ 到整数 (编辑框F.内容)
编辑框_算式.内容 ＝ 删全部空 (编辑框_算式.内容)
算式 ＝ 编辑框_算式.内容
算式 ＝ 子文本替换 (算式, “A”, “1”, , , 假)
算式 ＝ 子文本替换 (算式, “B”, “2”, , , 假)
算式 ＝ 子文本替换 (算式, “C”, “3”, , , 假)
算式 ＝ 子文本替换 (算式, “D”, “4”, , , 假)
算式 ＝ 子文本替换 (算式, “E”, “5”, , , 假)
算式 ＝ 子文本替换 (算式, “F”, “6”, , , 假)
Suan ＝ 分割文本 (算式, #换行符, )
.计次循环首 (取数组成员数 (Suan), i)
.如果真 (Suan [i] ≠ “”)
结果 ＝ 0
.计次循环首 (取文本长度 (Suan [i]), ii)
S ＝ 取文本中间 (Suan [i], ii, 1)
结果 ＝ 结果 ＋ 输入 [到整数 (S)]
.计次循环尾 ()
编辑框_结果.加入文本 (到文本 (结果) ＋ “ ”)
.如果真结束
.计次循环尾 ()
简单计算器的源代码
package calculator;
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JTextField;
import java.awt.Rectangle;
import javax.swing.JButton;
import javax.swing.BorderFactory;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.SystemColor;
import java.awt.Color;
/**
* pTitle:/p
*
* pDescription: 这个类用来实现一个简单的计算器/p
*
* pCopyright: Copyright (c) 2006年/p
*
* pCompany: /p
*
* @author
* @version 1.0
*/
public class CalculatorFrame extends JFrame {
boolean flag = false;
String operand1;
String operand2;
double result;
String action;
BorderLayout borderLayout1 = new BorderLayout();
JTextField txtresult = new JTextField();
JButton btn1 = new JButton();
JButton btn2 = new JButton();
JButton btn3 = new JButton();
JButton btn4 = new JButton();
JButton btn5 = new JButton();
JButton btn6 = new JButton();
JButton btn7 = new JButton();
JButton btn8 = new JButton();
JButton btn9 = new JButton();
JButton btn0 = new JButton();
JButton btnplus = new JButton();
JButton btnminus = new JButton();
JButton btnjultiply = new JButton();
JButton btndivide = new JButton();
JButton btnclear = new JButton();
JButton btnequal = new JButton();
public CalculatorFrame() {
try {
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
private void jbInit() throws Exception {
getContentPane().setLayout(null);
txtresult.setBackground(SystemColor.WHITE);
txtresult.setBorder(BorderFactory.createLoweredBevelBorder());
txtresult.setDisabledTextColor(Color.black);
txtresult.setEditable(false);
txtresult.setHorizontalAlignment(JTextField.RIGHT);
txtresult.setBounds(new Rectangle(50, 50, 305, 25));
btn1.setBounds(new Rectangle(50, 200, 65, 30));
btn1.setBorder(BorderFactory.createRaisedBevelBorder());
btn1.setText("1");
btn1.addActionListener(new CalculatorFrame_btn1_actionAdapter(this));
btn2.setBounds(new Rectangle(130, 200, 65, 30));
btn2.setBorder(BorderFactory.createRaisedBevelBorder());
btn2.setText("2");
btn2.addActionListener(new CalculatorFrame_btn2_actionAdapter(this));
btn3.setBounds(new Rectangle(210, 200, 65, 30));
btn3.setBorder(BorderFactory.createRaisedBevelBorder());
btn3.setText("3");
btn3.addActionListener(new CalculatorFrame_btn3_actionAdapter(this));
btn4.setBounds(new Rectangle(50, 150, 65, 30));
btn4.setBorder(BorderFactory.createRaisedBevelBorder());
btn4.setText("4");
btn4.addActionListener(new CalculatorFrame_btn4_actionAdapter(this));
btn5.setBounds(new Rectangle(130, 150, 65, 30));
btn5.setBorder(BorderFactory.createRaisedBevelBorder());
btn5.setText("5");
btn5.addActionListener(new CalculatorFrame_btn5_actionAdapter(this));
btn6.setBounds(new Rectangle(210, 150, 65, 30));
btn6.setBorder(BorderFactory.createRaisedBevelBorder());
btn6.setText("6");
btn6.addActionListener(new CalculatorFrame_btn6_actionAdapter(this));
btn7.setBounds(new Rectangle(50, 100, 65, 30));
btn7.setBorder(BorderFactory.createRaisedBevelBorder());
btn7.setText("7");
btn7.addActionListener(new CalculatorFrame_btn7_actionAdapter(this));
btn8.setBounds(new Rectangle(130, 100, 65, 30));
btn8.setBorder(BorderFactory.createRaisedBevelBorder());
btn8.setText("8");
btn8.addActionListener(new CalculatorFrame_btn8_actionAdapter(this));
btn9.setBounds(new Rectangle(210, 100, 65, 30));
btn9.setBorder(BorderFactory.createRaisedBevelBorder());
btn9.setText("9");
btn9.addActionListener(new CalculatorFrame_btn9_actionAdapter(this));
btn0.setBounds(new Rectangle(50, 250, 65, 30));
btn0.setBorder(BorderFactory.createRaisedBevelBorder());
btn0.setText("0");
btn0.addActionListener(new CalculatorFrame_btn0_actionAdapter(this));
btnplus.setBounds(new Rectangle(290, 250, 65, 30));
btnplus.setBorder(BorderFactory.createRaisedBevelBorder());
btnplus.setText("+");
btnplus.addActionListener(new CalculatorFrame_btnplus_actionAdapter(this));
btnminus.setBounds(new Rectangle(290, 200, 65, 30));
btnminus.setBorder(BorderFactory.createRaisedBevelBorder());
btnminus.setText("-");
btnminus.addActionListener(new CalculatorFrame_btnminus_actionAdapter(this));
btnjultiply.setBounds(new Rectangle(290, 150, 65, 30));
btnjultiply.setBorder(BorderFactory.createRaisedBevelBorder());
btnjultiply.setText("*");
btnjultiply.addActionListener(new
CalculatorFrame_btnjultiply_actionAdapter(this));
btndivide.setBounds(new Rectangle(290, 100, 65, 30));
btndivide.setBorder(BorderFactory.createRaisedBevelBorder());
btndivide.setText("/");
btndivide.addActionListener(new CalculatorFrame_btndivide_actionAdapter(this));
btnclear.setBounds(new Rectangle(130, 250, 65, 30));
btnclear.setBorder(BorderFactory.createRaisedBevelBorder());
btnclear.setText("C");
btnclear.addActionListener(new CalculatorFrame_btnclear_actionAdapter(this));
btnequal.setBounds(new Rectangle(210, 250, 65, 30));
btnequal.setBorder(BorderFactory.createRaisedBevelBorder());
btnequal.setText("=");
btnequal.addActionListener(new CalculatorFrame_btnequal_actionAdapter(this));
this.getContentPane().setBackground(UIManager.getColor(
"MenuItem.background"));
this.setTitle("计算器");
this.getContentPane().add(txtresult);
this.getContentPane().add(btn1);
this.getContentPane().add(btn0);
this.getContentPane().add(btnclear);
this.getContentPane().add(btnplus);
this.getContentPane().add(btnequal);
this.getContentPane().add(btn2);
this.getContentPane().add(btn3);
this.getContentPane().add(btnminus);
this.getContentPane().add(btn4);
this.getContentPane().add(btn7);
this.getContentPane().add(btn5);
this.getContentPane().add(btn6);
this.getContentPane().add(btnjultiply);
this.getContentPane().add(btndivide);
this.getContentPane().add(btn9);
this.getContentPane().add(btn8);
}
public void btnplus_actionPerformed(ActionEvent e) {
action = "plus";
operand1 = txtresult.getText();
txtresult.setText("");
flag = true;
}
public void btnminus_actionPerformed(ActionEvent e) {
action = "minus";
operand1 = txtresult.getText();
txtresult.setText("");
flag = true;
}
public void btnjultiply_actionPerformed(ActionEvent e) {
action = "multiply";
operand1 = txtresult.getText();
txtresult.setText("");
flag = true;
}
public void btndivide_actionPerformed(ActionEvent e) {
action = "divide";
operand1 = txtresult.getText();
txtresult.setText("");
flag = true;
}
public void btnclear_actionPerformed(ActionEvent e) {
txtresult.setText("");
}
public void btn1_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn1.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn1.getActionCommand());
}
}
public void btn2_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn2.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn2.getActionCommand());
}
}
public void btn3_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn3.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn3.getActionCommand());
}
}
public void btn4_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn4.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn4.getActionCommand());
}
}
public void btn5_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn5.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn5.getActionCommand());
}
}
public void btn6_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn6.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn6.getActionCommand());
}
}
public void btn7_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn7.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn7.getActionCommand());
}
}
public void btn8_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn8.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn8.getActionCommand());
}
}
public void btn9_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn9.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn9.getActionCommand());
}
}
public void btn0_actionPerformed(ActionEvent e) {
if (flag) {
txtresult.setText(btn0.getActionCommand());
flag=false;
} else {
txtresult.setText(txtresult.getText() + btn0.getActionCommand());
}
}
public void btnequal_actionPerformed(ActionEvent e) {
double digit1, digit2;
operand2 = txtresult.getText();
if (flag == false) {
if (action.equals("plus")) {
digit1 = Double.parseDouble(operand1);
digit2 = Double.parseDouble(operand2);
result = digit1 + digit2;
txtresult.setText(String.valueOf((int) result));
flag = true;
} else if (action.equals("minus")) {
digit1 = Double.parseDouble(operand1);
digit2 = Double.parseDouble(operand2);
result = digit1 - digit2;
txtresult.setText(String.valueOf((int) result));
flag = true;
} else if (action.equals("multiply")) {
digit1 = Double.parseDouble(operand1);
digit2 = Double.parseDouble(operand2);
result = digit1 * digit2;
txtresult.setText(String.valueOf((int) result));
flag = true;
} else if (action.equals("divide")) {
digit1 = Double.parseDouble(operand1);
digit2 = Double.parseDouble(operand2);
result = digit1 / digit2;
if (digit2==0) {
txtresult.setText("ERROR");
flag=true;
} else {
txtresult.setText(String.valueOf((int) result));
flag = true;
}
}
}
}
class CalculatorFrame_btnequal_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btnequal_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btnequal_actionPerformed(e);
}
}
class CalculatorFrame_btn0_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn0_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn0_actionPerformed(e);
}
}
class CalculatorFrame_btn9_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn9_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn9_actionPerformed(e);
}
}
class CalculatorFrame_btn8_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn8_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn8_actionPerformed(e);
}
}
class CalculatorFrame_btn7_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn7_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn7_actionPerformed(e);
}
}
class CalculatorFrame_btn6_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn6_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn6_actionPerformed(e);
}
}
class CalculatorFrame_btn5_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn5_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn5_actionPerformed(e);
}
}
class CalculatorFrame_btn4_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn4_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn4_actionPerformed(e);
}
}
class CalculatorFrame_btn2_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn2_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn2_actionPerformed(e);
}
}
class CalculatorFrame_btn3_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn3_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn3_actionPerformed(e);
}
}
class CalculatorFrame_btnclear_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btnclear_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btnclear_actionPerformed(e);
}
}
class CalculatorFrame_btndivide_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btndivide_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btndivide_actionPerformed(e);
}
}
class CalculatorFrame_btnjultiply_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btnjultiply_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btnjultiply_actionPerformed(e);
}
}
class CalculatorFrame_btnminus_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btnminus_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btnminus_actionPerformed(e);
}
}
class CalculatorFrame_btnplus_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btnplus_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btnplus_actionPerformed(e);
}
}
class CalculatorFrame_btn1_actionAdapter implements ActionListener {
private CalculatorFrame adaptee;
CalculatorFrame_btn1_actionAdapter(CalculatorFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btn1_actionPerformed(e);
}
}
}
public class Calculator {
public static void main(String[] args) {
CalculatorFrame Objcal=new CalculatorFrame();
Objcal.setSize(410,320);
Objcal.setVisible(true);
}
}
