专家们来看看这段程序,它怎么错拉?在线等待!!!!!!!!

[carlchen2002]

import java.awt.*;
import java.awt.event.*;
import java.awt.event.ActionEvent;
public class carlchen3
{
public static void main (String args[])
{
new m();
}
}
class m extends Frame implements ActionListener
{
TextField input,output;

m()
{
super("ciherfh");
input=new TextField(6);
output=new TextField(20);
setLayout(new FlowLayout());
add(input);
add(output);
input.addActionListener(this);
setSize(200,300);
show();
}
public void actionperformed(ActionEvent e)
{
output.setText(input.getText());
}
}


编译后出现了这样的异常:
carlchen3.java:11: m 必须声明为 abstract; 它没有在 m 中定义 actionPerformed(java
.awt.event.ActionEvent)
class m extends Frame implements ActionListener
^
1 个错误

[希偌]

写错了
public void actionperformed(ActionEvent e)
{
output.setText(input.getText());
}
-->
public void actionPerformed(ActionEvent e)//actionPerformed里的P要大写
{
output.setText(input.getText());
}

[BenLadeng5225]

改成：
import java.awt.*;
import java.awt.event.*;
import java.awt.event.ActionEvent;
public class carlchen3
{
public static void main (String args[])
{
new m();
}
}
class m extends Frame implements ActionListener
{
TextField input,output;

m()
{
super("ciherfh");
input=new TextField(6);
output=new TextField(20);
setLayout(new FlowLayout());
add(input);
add(output);
input.addActionListener(this);
setSize(200,300);
show();
}
public void actionPerformed(ActionEvent e)
{
output.setText(input.getText());
}
}

[liujuntao]

晚了！哎
up

[colors]

我也晚了

[hoxisoft]

hehe

[lkenshin]

有分没？