import java.applet.*;
import java.awt.*;
import java.awt.event.*;

public class a1 extends Applet implements ActionListener
{
  TextField text1,text2,text3;
  public void init()
  {
   text1=new TextField(10);
   text1=new TextField(10);
   text1=new TextField(10);
   add(text1);add(text2);add(text3);
   text1.addActionListener(this);//主类的实例作为text1的监视器
  }
  public void actionPerformed(ActionEvent e)
  {
   if((e.getSource()==text1)&&(text1.getText().equals("boy")))
   {text3.setText("男孩");}

   else if((e.getSource()==text1)&&(text1.getText().equals("girl")))
   {text3.setText("女孩");}
   
   else if((e.getSource()==text1)&&(text1.getText().equals("sun")))
   {text3.setText("太阳");}
  }

}