importjavax.swing.*;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;publicclassSimpleCalculator{privateJPanel MainPanel;privateJPanel topPanel;privateJPanel bottomPanel;privateJTextField num1Field;privateJButton ADDButton;privateJButton MODButton;privateJButton CLEARButton;privateJTextField ...
import java.math.BigDecimal; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; public class SimpleCalculator extends JFrame { private static final long serialVersionUID = 1L; private JTextField textField; //计算器文本框,用来显示数值 p...
Java课程设计 计算器simplecalculator importjava.awt.*; importjava.awt.event.*; importjavax.swing.*; classsimplecalculator { staticStringpoint=newString(); staticStringAmal=newString(); staticStringONE=newString(); staticStringTWO=newString(); staticStringTHREE=newString(); staticStringFOUR=new...
001packagecom.test; 002 003importjava.awt.*; 004importjava.awt.event.*; 005 006publicclassTestCalculate 007{ 008publicstaticvoidmain(String[] args) 009{ 010newCalculate().launch(); 011} 012} 013 014classCalculateextendsFrame 015{ 016privatebooleanfirstFlag =true; ...
SwingUtilities.invokeLater(() -> { f.setTitle(f.getClass().getSimpleName()); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setSize(width,height); f.setVisible(true); }); } } public class MyCalculator extends JFrame{ /*
package com.ALiangJie.Calculator;import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.math.BigDecimal;import java.util.Vector;public class Calculator exten java 操作数 运算符 c语言书写java程序实现简单的计算器加减乘除功能 java编程计算器加减乘除 文章目录前言简易计算器 前言...
001 002packagecom.service; 003 004 005importjava.util.Stack; 006/** 007* 008**/ 009publicclassCalculatorImplimplementsCalculator{ 010 011// public static void main(String[] args) { 012// String s ="6X5-5X15/4+3/3+4"; 013// double result = new CalculatorImpl().toReversePolishNotatio...
输入数字后，敲回车开始自动计算 import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JTextField;public class SimpleCalculator { private JFrame f ...
SimpleCalculator类是javax.swing包中JFrame的一个子类,并实现了ActionListener接口。类中有关数据和方法的详细说明。 1)成员变量 btnNumber是数组,该数组长度为10。btnNumber数组中的“数字按钮”含有的数字依次为0~9。每个“数字按钮”都注册有ActionEvent事件监听器。 2)方法 main(String args[])方法是计算器程序...
import java.awt.*;import java.awt.event.*;import javax.swing.*;/ A simple calculator program.I saw this program in a QQ group, and help a friend correct it. author Singyuen Yip version 1.00 12/29/2009 see JFrame see ActionListener / public class JCalculator extends JFrame...