📄 example.java
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import java.awt.*;
import java.awt.event.*;
public class Example extends Frame implements InputReader{
TextField showInput=new TextField("");
public Example(){
super("multiple listener demo");
ShowSelect showSelect=new ShowSelect();
InputField inputField=new InputField(10);
inputField.enableReciever(this); //注册
inputField.enableReciever(showSelect); //注册
//合理布局,并把inputField,showSelect,showInput加入该容器的代码行
setBounds(0,0,400,200);
setLayout(new BorderLayout());
add("North",inputField);
add("Center",showSelect);
add("South",showInput);
enableEvents(AWTEvent.WINDOW_EVENT_MASK );
}
public static void main(String argv[]){
(new Example()).setVisible(true);
}
public void showSelection(int x,int y,String s){ }//实现接口方法, 不做处理
public void showInput(int pos,String s){
showInput.setText(s);
} //实现接口方法
public void processWindowEvent(WindowEvent e){
switch(e.getID()){
case WindowEvent.WINDOW_CLOSING:
dispose();
}
}
}
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