用java编得计算器程序软件和源代码

java计算器源程序
java计算器

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
class calculation extends JFrame
{public calculation() /*构造方法*/
{super("计数器");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initTextPanel(); /*文本框*/
initControlPanel(); /*控制键*/
initKeyPanel(); /*数字和运算符*/
Container pane = getContentPane();
pane.setLayout(new BorderLayout());
pane.add(TextPanel,BorderLayout.NORTH);
pane.add(ControlPanel,BorderLayout.CENTER);
pane.add(KeyPanel,BorderLayout.SOUTH);
pack();
try
{UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
}
catch(Exception ex)
{;} /*设置Windons观感*/
SwingUtilities.updateComponentTreeUI(this);
setResizable(false);
setVisible(true);