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package javaapplication23;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;

/**
 *
 * @author diogo
 */
public class Janela {

    /**
     * @param args the command line arguments
     */
    JFrame frm1 ,frm2 , frm3 ;
    JLabel lbl1 , lbl2 ;
    JButton btn ;
    ActionListener updateListener ;

    public Janela () {
frm1 = new JFrame (" Janela  1");
 lbl1 = new JLabel ("  0");
 frm1 . add ( lbl1 );
 frm1 . setSize (200 , 200);
 frm1 . setLocation (200 , 100);
 frm1 . setVisible ( true );

 frm2 = new JFrame (" Janela  2");
 lbl2 = new JLabel ("  0");
 frm2 . add ( lbl2 );
 frm2 . setSize (200 , 200);
 frm2 . setLocation (800 , 100);
 frm2 . setVisible ( true );

 frm3 = new JFrame (" Janela  3");
 btn = new JButton (" Parar / Continuar ");
 updateListener = new ActionListener (){
 @Override
 public void actionPerformed ( ActionEvent e) {
 // INSERT BUTTON CODE HERE
 }

 };
btn . addActionListener ( updateListener );
 frm3 . add (btn );
 frm3 . setSize (200 , 200);
 frm3 . setLocation (500 , 200);
 frm3 . setVisible ( true );
}




 public static void main ( String args []) {
 Janela main = new Janela ();


 }

}