[求助]JAVA代码运行出错咯
import java.awt.*;import java.awt.event.*;
import javax.swing.Box;
public class SpellingWordFrame extends Frame implements KeyListener,
ActionListener
{ TextField inputWord;
Button button;
LetterLabel label[];
Panel northP,centerP;
Box wordBox;
String hintMessage="用鼠标单击字母，按 箭头交换字母，将其排列成所输入的单词";
Label messaageLabel=new Label(hintMessage);
String word="";
SpellingWordFrame()
{ inputWord=new TextField(12);
button=new Button("确定");
button.addActionListener(this);
inputWord.addActionListener(this);
northP=new Panel();
northP.add(new Label("输入一个英文单词:"));
northP.add(inputWord);
northP.add(button);
centerP=new Panel();
wordBox=Box.createHorizontalBox();
centerP.add(wordBox);
add(northP,BorderLayout.NORTH);
add(centerP,BorderLayout.CENTER);
add(messaageLabel,BorderLayout.SOUTH);
setBounds(100,100,350,180);
setVisible(true);
validate();
addWindowListener(new WindowAdapter()
{public void windowClosing(WindowEvent e)
{ System.exit(0);
}
}
);
}
public void actionPerformed(ActionEvent e)
{ word=inputWord.getText();
int n=word.length();
RondomString rondom=new RondomString();
String randomWord=rondom.getRondomString(word);
wordBox.removeAll();
messaageLabel.setText(hintMessage);
if(n>0)
{ label=LetterLabel.getLetterLabel(n);
for(int k=0;k<label.length;k++)
{ label[k].addKeyListener(this);
label[k].setText(""+randomWord.charAt(k));
wordBox.add(label[k]);
}
validate();
inputWord.setText(null);
label[0].requestFocus();
}
}
public void keyPressed(KeyEvent e)
{ LetterLabel sourceLabel=(LetterLabel)e.getSource();
int index=-1;
if(e.getKeyCode()==KeyEvent.VK_LEFT)
{ for(int k=0;k<label.length;k++)
{ if(label[k]==sourceLabel)
{index=k;
break;
}
}
if(index!=0)
{ String temp=label[index].getText();
label[index].setText(label[index-1].getText());
label[index-1].setText(temp);
label[index-1].requestFocus();
}
}
else if(e.getKeyCode()==KeyEvent.VK_RIGHT)
{ for(int k=0;k<label.length;k++)
{ if(label[k]==sourceLabel)
{ index=k;
break;
}
}
if(index!=label.length-1)
{ String temp=label[index].getText();
label[index].setText(label[index+1].getText());
label[index+1].setText(temp);
label[index+1].requestFocus();
}
}
validate();
}
public void keyTyped(KeyEvent e) {}
public void keyReleased(KeyEvent e)
{ String success="";
for(int k=0;k<label.length;k++)
{ String str=label[k].getText();
success=success+str;
}
if(success.equals(word))
{ messaageLabel.setText("恭 你，你成功了");
for(int k=0;k<label.length;k++)
{label[k].removeKeyListener(this);
label[k].removeFocusListener(label[k]);
label[k].setBackground(Color.green);
}
inputWord.requestFocus();
}
}
}
运行的时候出错。哪位高人来指点一下小弟
