package listener;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;

public class Listener{
    JFrame okno;
    JTextField pole1;
    JTextField pole2;
    JButton ok ;
    
    public Listener (){
    okno = new JFrame();
    pole1 = new JTextField(12);
    pole2 = new JTextField(12);
    ok = new JButton("ok");
    ok.addActionListener(new okAL());

    okno.add(pole1);
    okno.add(pole2);
    okno.add(ok);
    okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    okno.setLayout(new FlowLayout());
    okno.setVisible(true);
    okno.pack();
    }
    
    public static void main(String[] args) {
  new Listener();
  
   

  }
    
    public class okAL implements ActionListener {

  @Override
  public void actionPerformed(ActionEvent event){
  String text1 = pole1.getText();
  pole2.setText(text1);

  }
  }
  }//end_class