密码

import java.awt.*;
import javax.swing.*;
class CalButtonPane extends
JPanel {
String[] keys = {"/","9","3","6","x","?","1",

"7","2",",","!","5","0","4",".",":","@","8","4",".","abc","中","五","拼","www"};

JButton[] keyb = new JButton[keys.length];
//JTextField t;

//JButton clear;
//double result = 0, value;
int i=0, j=0, l, math;

CalButtonPane(JTextField t){
super(new GridLayout(5, 5, 4, 4));

//this.t = t;
for( int i = 0; i <keys.length; i++ ) {
keyb[i] = new JButton(keys[i]);
this.add(keyb[i]);
}

//clear = new JButton("Clear");
}
}
class Calculator extends JFrame
{
JPanel p;
JTextField t;
CalButtonPane cp;
public
Calculator() {
super("Java计算器");

setDefaultCloseOperation(EXIT_ON_CLOSE );
calInit();

Container cc = getContentPane();
cc.setLayout( new BorderLayout() );

//cc.add(t, "North" );
cc.add(cp, "Center" );

//cc.add(cp.clear, "South" );
this.setLocation(350, 250);

this.pack();
this.setResizable(false);
this.setVisible(true);

}
void calInit(){
t=new JTextField("0.0");

t.setHorizontalAlignment(JTextField.RIGHT);
cp=new CalButtonPane(t);

}
public static void main( String[] args ) {
new
Calculator();
}
}

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