import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class ejemplo{
	public static void main(String[] args)
	{
		FrameUno ventana=new FrameUno();
		ventana.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
	}
}
class FrameUno extends JFrame{
	public FrameUno()
	{
		setTitle("Ventana 1");
		setVisible(true);
		setSize(300,300);
		PanelUno p1=new PanelUno();
		add(p1);
	}
}
class FrameDos extends JFrame{
	public FrameDos()
	{
		setTitle("Ventana 2");
		setSize(300,300);
		PanelDos p2=new PanelDos();
		add(p2);
	}
}
class PanelUno extends JPanel{
	JButton btnUno=new JButton("Ventana 1");
	JButton btnDos=new JButton("Ventana 2");
	public PanelUno()
	{
		setLayout(new GridLayout(1,2));
		add(btnUno);add(btnDos);
		
		OyenteUno o1=new OyenteUno();
		btnUno.addActionListener(o1);
		OyenteDos o2=new OyenteDos();
		btnDos.addActionListener(o2);
		
	}
	class OyenteUno implements ActionListener{
		public void actionPerformed(ActionEvent e)
		{
			JOptionPane.showMessageDialog(null,"btnUno");
		}
	}
	class OyenteDos implements ActionListener{
		public void actionPerformed(ActionEvent e)
		{
			JOptionPane.showMessageDialog(null,"btnDos");
			
		}
	}
}
class PanelDos extends JPanel{
	JButton btnUno=new JButton("Ventana 1");
	JButton btnDos=new JButton("Ventana 2");
	
	public PanelDos()
	{
		setLayout(new GridLayout(1,2));
		add(btnUno);add(btnDos);
		OyenteUno o1=new OyenteUno();
		btnUno.addActionListener(o1);
		OyenteDos o2=new OyenteDos();
		btnDos.addActionListener(o2);
		
		
	}
	class OyenteUno implements ActionListener{
		public void actionPerformed(ActionEvent e)
		{
			JOptionPane.showMessageDialog(null,"btnUno");
			
		}
	}
	class OyenteDos implements ActionListener{
		public void actionPerformed(ActionEvent e)
		{
			JOptionPane.showMessageDialog(null,"btnDos");
		
		}
	}
}

import javax.swing.*;
import java.awt.event.*;

public class Text1{
	public static void main(String[] args)
	{
		JFrame ventana = new JFrame();
		final iFrame frame1 = new iFrame("Ventana 1");
		final iFrame frame2 = new iFrame("Ventana 2");
		JButton bt1 = new JButton();
		JButton bt2 = new JButton();
		bt1.setBounds(0,0,50,25);
		bt1.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				frame1.setVisible(true);
			}
		});
		bt2.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				frame2.setVisible(true);
			}
		});
		bt2.setBounds(0,25,50,25);
		
		ventana.setLayout(null);
		ventana.add(bt1);
		ventana.add(bt2);
		ventana.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		ventana.setBounds(0,0,300,300);
		ventana.setVisible(true);
	}
}
class iFrame extends JFrame{
	public iFrame(String titulo)
	{
		setTitle(titulo);
		setSize(300,300);
		iPanel ipanel = new iPanel();
		add(ipanel);
		setLocationRelativeTo(null);
	}
}
class iPanel extends JPanel{
	JButton btnUno=new JButton();
	JButton btnDos=new JButton();
	ActionListener buttonListener = new ActionListener(){
		public void actionPerformed(ActionEvent e){
			if (e.getActionCommand().equals("boton1")){/*Accion*/}
			if (e.getActionCommand().equals("boton2")){/*Accion*/}
		}
	};
	public iPanel()
	{	btnUno.setBounds(0,0,50,25);
		btnUno.addActionListener(buttonListener);
		btnUno.setActionCommand("boton1");
		btnDos.setBounds(0,25,50,25);
		btnDos.addActionListener(buttonListener);
		btnDos.setActionCommand("boton2");
		
		setLayout(null);
		add(btnUno);
		add(btnDos);
	}
	
}