用java编写计算器代码
来源:百度知道 编辑:UC知道 时间:2024/05/21 10:21:26
代码中只有"1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "+",
"-", ".", "Ac", "=" 这些按扭.能够运算.
答案发到825189742@qq.com
谢谢!
"-", ".", "Ac", "=" 这些按扭.能够运算.
答案发到825189742@qq.com
谢谢!
是网页上的话
我有一个现成的例子
加QQ:7408594
说明来意 我发你
awt程序吧?
给我个邮箱或者直接发邮件到278051094@qq.com
我这有
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Calculator extends JFrame
{
private Container container;
private GridBagLayout layout;
private GridBagConstraints constraints;
private JTextField displayField;//计算结果显示区
private String lastCommand;//保存+,-,*,/,=命令
private double result;//保存计算结果
private boolean start;//判断是否为数字的开始
public Calculator()
{
super("Calculator");
container=getContentPane();
layout=new GridBagLayout();
container.setLayout(layout);
constraints=new GridBagConstraints();
start=true;
result=0;
lastCommand = "=";
displayField=new JTextField(20);