大家帮我看看~`我不明白了~~~~~~~~谢谢

楼主不认识这些单词吗？
TextEvent.java:136: Mytextlistener should be declared abstract; it does not define textValueChanged(java.awt.event.TextEvent) in Mytextlistener仔细瞧瞧，我就不用帮你翻译了吧~~都告诉了错误原因了，还到这里来提问，幸好有人给你捧场！

I服了U了！！！
你的错误不先根据给你的提示解决，跑这儿来问什么？
这不是舍近求远吗？
既然你知道那是什么意思？为什么还没有解决？
都告诉你那个
it does not define textValueChanged(java.awt.event.TextEvent) in Mytextlistener
你没有在你的MytextListener中定义textValueChanged(java.awt.event.TextEvent)，也就是这个接口你必须实现，否则你必须把你的类声明成抽象类,你还不去把它"定义"上？

晕~~~这就是定义了啊~~~~~~~~~~~~~
public void textValueChanged(TextEvent e){}如果是抽象的就应该是public static void textValueChanged(TextEvent e);我之前一个监听器在下面你看看~~`它都运行的上好~`
class Myadjustmentlistener implements AdjustmentListener{
public void adjustmentValueChanged(AdjustmentEvent e){} }

你用java.awt.event.TextEvent来声明参数E

晕了~~`我在程序开始时就引用了了的啊：import java.awt.event.*;

这样试试：
import java.awt.event.*;
class Mytextlistener implements TextListener{
public void textValueChanged(TextEvent e){}
}

import java.awt.*;
import java.awt.event.*;
import java.util.EventObject;public class TextEvent extends Frame{
    Panel p1;
    Panel p2;
    Panel p3;
    Panel p4;
    Button b1;
    Button b2;
    TextField tf1;
    TextArea ta1;
    Canvas c;
    Label l1;
    Label l2;
    CheckboxGroup cg1;
    Checkbox cb1;
    Checkbox cb2;
  TextEvent(String te){
      super(te);
  setLayout(new BorderLayout(5,5));

  addWindowListener(new Mywindowlistener(this));
  p1 = new Panel();
  p2 = new Panel();
  p3 = new Panel();
  p4 = new Panel();
  b1 = new Button("OK");
  b2 = new Button("Cancel");
      tf1 = new TextField("Textfiled 1",20);
      ta1 = new TextArea("textarea",5,20);
  c = new Canvas();
  l1 = new Label("label1");
  l2 = new Label();
  cg1 = new CheckboxGroup();
  cb1 = new Checkbox("checkbox1",true);
  cb2 = new Checkbox("checkbox2");
      p4.setLayout(new GridLayout(2,1));
  b2.addActionListener(new Myactionlistener(this));
  b1.addActionListener(new Myactionlistener(this));
  add(p3,"North");
  add(tf1,"South");
  add(p1,"West");
  add(p2,"East");
  add(p4,"Center");

  p1.add(b1);
  p2.add(b2);
  p3.add(l1);
  p4.add(l2);
  p4.add(ta1);
  setSize(400,300);
  setVisible(true);

   }
   public static void main(String [] args){
      TextEvent f = new TextEvent("FRAME01");   }
}class Mywindowlistener extends WindowAdapter {
   TextEvent t;
   Mywindowlistener(TextEvent te){
      this.t = te;
   }
}class Myactionlistener implements ActionListener{
   TextEvent t;
   TextField tf;
   public Myactionlistener(TextEvent te){
      this.t = te;
  this.tf = te.tf1;
   }
   public void actionPerformed(ActionEvent e){
      String ac = e.getActionCommand();
  if(ac.equals("Cancel") ){
  System.exit(0);
      }else if(ac.equals("OK")){

     t.ta1.setText(t.tf1.getText());
  }
   }}class Myadjustmentlistener implements AdjustmentListener{
   public void adjustmentValueChanged(AdjustmentEvent e){}   }class Mycomponentlistener extends ComponentAdapter{}
class Mycontainerlistener extends ContainerAdapter{}
class Myfocuslistener extends FocusAdapter{}
class Myitemlistener implements ItemListener{
   public void itemStateChanged(ItemEvent e){}
}
class Mykeylistener extends KeyAdapter{}
class Mymouselistener extends MouseAdapter{}
class Mymousemotionlistener extends MouseMotionAdapter{}
abstract class Mytextlistener implements TextListener{   //这里我添加了abtract
   public void textValueChanged(TextEvent e){}           //要不就会出错~
}

你犯了一个致命的错误，TextEvent是一个已经定义了的类，在这个包中：
package java.awt.event;
现在你又自己把它重写，导致了一大堆莫名其妙的错误。
改了再说吧。
明天看你的结果！

这么说吧，因为你自己定义了一个TextEvent,所以同一个文件中的TextEvent它都被直接解析成你这个TextEvent，而不是原本应该的那个。你既把它当作你的类名，又把它当作你需要的类名，你太不照顾编译器了。
说实话，你的这个错误真是千年一遇！！
我算是长见识了！
佩服佩服！

注意文件名，这样顺利通过编译：
//MainFrame.java
import java.awt.*;
import java.awt.event.*;
import java.util.EventObject;public class MainFrame extends Frame{
    Panel p1;
    Panel p2;
    Panel p3;
    Panel p4;
    Button b1;
    Button b2;
    TextField tf1;
    TextArea ta1;
    Canvas c;
    Label l1;
    Label l2;
    CheckboxGroup cg1;
    Checkbox cb1;
    Checkbox cb2;
  MainFrame(String te){
      super(te);
  setLayout(new BorderLayout(5,5));

  addWindowListener(new Mywindowlistener(this));
  p1 = new Panel();
  p2 = new Panel();
  p3 = new Panel();
  p4 = new Panel();
  b1 = new Button("OK");
  b2 = new Button("Cancel");
      tf1 = new TextField("Textfiled 1",20);
      ta1 = new TextArea("textarea",5,20);
  c = new Canvas();
  l1 = new Label("label1");
  l2 = new Label();
  cg1 = new CheckboxGroup();
  cb1 = new Checkbox("checkbox1",true);
  cb2 = new Checkbox("checkbox2");
      p4.setLayout(new GridLayout(2,1));
  b2.addActionListener(new Myactionlistener(this));
  b1.addActionListener(new Myactionlistener(this));
  add(p3,"North");
  add(tf1,"South");
  add(p1,"West");
  add(p2,"East");
  add(p4,"Center");

  p1.add(b1);
  p2.add(b2);
  p3.add(l1);
  p4.add(l2);
  p4.add(ta1);
  setSize(400,300);
  setVisible(true);

   }
   public static void main(String [] args){
      MainFrame f = new MainFrame("FRAME01");   }
}class Mywindowlistener extends WindowAdapter {
   MainFrame t;
   Mywindowlistener(MainFrame te){
      this.t = te;
   }
}class Myactionlistener implements ActionListener{
   MainFrame t;
   TextField tf;
   public Myactionlistener(MainFrame te){
      this.t = te;
  this.tf = te.tf1;
   }
   public void actionPerformed(ActionEvent e){
      String ac = e.getActionCommand();
  if(ac.equals("Cancel") ){
  System.exit(0);
      }else if(ac.equals("OK")){

     t.ta1.setText(t.tf1.getText());
  }
   }}class Myadjustmentlistener implements AdjustmentListener{
   public void adjustmentValueChanged(AdjustmentEvent e){}   }class Mycomponentlistener extends ComponentAdapter{}
class Mycontainerlistener extends ContainerAdapter{}
class Myfocuslistener extends FocusAdapter{}
class Myitemlistener implements ItemListener{
   public void itemStateChanged(ItemEvent e){}
}
class Mykeylistener extends KeyAdapter{}
class Mymouselistener extends MouseAdapter{}
class Mymousemotionlistener extends MouseMotionAdapter{}
class Mytextlistener implements TextListener{
   public void textValueChanged(TextEvent e){}
}

调试易

大家帮我看看~`我不明白了~~~~~~~~谢谢

解决方案 »