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使用griDlAyout布局编写安卓简易计算器,求完整代码

我自己写的计算器 你参考一下,有源码

就会

1Android程序-计算器 http://www.oschina.net/code/snippet_576880_17217 2简单计算器源代码 http://blog.csdn.net/x605940745/article/details/11056545 3 从零开始学android实现计算器功能 http://www.jb51.net/article/46550.htm

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(...

import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JBut...

import java.awt.*; import java.awt.event.*; import javax.swing.*; class General extends JFrame implements ActionListener { String args[]={"退格","总清","清零","/","1","2","3","+","4","5","6","-","7","8","9","*","0","+/-",".","=...

def cal(): numA = float(raw_input('Please enter a number: ')) op = raw_input('Please enter a operator: ') numB = float(raw_input('Please enter another number: ')) if op == '+': print "result: ",numA+numB elif op == '-': print "...

private void btn_Click(object sender, EventArgs e) //小数点键 { if (textBox1.Text.IndexOf(".")

if(temp==".")//判断只能输入一个小数,这个放在actionPerformed里的 { for(int i=0;i

其实在C#中和Java中的代码都是一样的 using... ..... ////在窗体上放三个 文本框 txt1\txt2\txt3----控件的名字 一个下拉列表框 slt1---控件的名字 一个Button按钮--btnRst pulic static void main(string args[]) { ..... .... 自动生成的 } pu...

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