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jAvA 计算器

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class JCalculator extends JFrame implements ActionListener { private static final long serialVersionUID = -169068472193786457L; private class WindowCloser...

纯原创,已编译运行无错误,运用的是最简单最基本的知识,简单易懂,望采纳 (一)源代码 import java.awt.*; import java.awt.event.*; public class JSQ { public static void main(String[] args) { //创建新的面板 JSQFrame f = new JSQFram...

import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Calculator implements ActionListener { String s="",s1; double d1,d2; JFrame jf = new JFrame("小计算器by Graduate") ; JTextField tf = new JTextField(...

搜索Java GUI(图形界面),Scanner获取键盘输入、BigDecimal可以做高精度的计算,具体使用方法请自行百度。这里只提供思路,如果说具体应用就太长了。

import java.awt.BorderLayout; import java.awt.Color; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing...

import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Calculator extends JFrame implements ActionListener{ private static final long serialVersionUID = 8199443193151152362L; private JButton bto_s=new JB...

记得我远标java孙老师讲过这个问题,具体如下 /* * @(#)JCalculator.java 1.00 06/17/2016 */ import java.awt.*; import java.awt.event.*; import javax.swing.*; /** * A simple calculator program. * I saw this program in a QQ group, an...

public class SanJiao {public static void main(String[] args) {double a = Math.toRadians(90);//把数字90 转换成 90度System.out.println(Math.sin(a));//计算sin 90度double b = Math.toRadians(30);System.out.println(Math.cos(b));doubl...

无聊写了个,修复了下Bug: import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.J...

import java.awt.BorderLayout; import java.awt.Color; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.sw...

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