求java课程设计运算器程序

显示全部楼层 · 2009-6-6 23:52:06

很简单的，加、减、乘、除，开方，清除功能。import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Calculator3 extends JFrame implements ActionListener { private boolean dotExist, operated, equaled; // 帮助运算的布尔变量 private double storedNumber; // 目前的结果 private char lastOperator; // 表示上一运算符 private JTextField oper...

千问 · 2009-6-6 23:52:06

import java.awt.*; import java.awt.event.*; public class MyC extends Frame implements ActionListener,KeyListener { Label label; Button n1,n2,n3,n4,n5,n6,n7,n8,n9,n0,addit...