Criar executavel ?!

public class Principal {

public static void main(String[] args)

{

new dados();	

}

}

package pacoteJar;

import java.awt.BorderLayout;

import java.awt.Container;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

public class dados extends JFrame {

JLabel l1		= new JLabel(“Nome:”);

JLabel l2		= new JLabel(“CPF:”);

JLabel l3		= new JLabel(“Endereço:”);

JLabel l4		= new JLabel(“Sexo :”);

JLabel l5		= new JLabel(“Idade:”);

JTextField t1     	= new JTextField (20);	JTextField t2     	= new JTextField (20); 	JTextField t3     	= new JTextField (20); 	JTextField t4     	= new JTextField (20); 	JTextField t5     	= new JTextField (3);

JButton bMostrar	= new JButton(“Mostrar”);

JButton bSair		= new JButton(“Sair”);

JButton bAtualizar  = new JButton(“Atualizar”);

JButton bNomeR      = new JButton(“Nome Reduzido”);

JButton bValidaCPF  = new JButton(“Valida CPF”);

JButton bMensagem   = new JButton(“Mensagem”);

public dados() {
	Container c = getContentPane();
	setSize(450,520);               		c.setLayout(new BorderLayout()); 
	Container norte = new Container();
	norte.setLayout(new GridLayout(6,2)); 
	norte.add(l1);             
	norte.add(t1);   
	norte.add(l2);  
	norte.add(t2);  
	norte.add(l3);             
	norte.add(t3);   
	norte.add(l4);  
	norte.add(t4);
	norte.add(l5);  
	norte.add(t5);

	Container centro = new Container();
	centro.setLayout(new GridLayout(1,1));
	

	Container sul = new Container();
	sul.setLayout(new GridLayout(6,2));
	sul.add(bMostrar);
	sul.add(bAtualizar);
	sul.add(bNomeR);
	sul.add(bValidaCPF);
	sul.add(bMensagem);
	sul.add(bSair);
	
	c.add("North",norte);
	c.add("Center",centro);
	c.add("South",sul);
	show();
	bSair.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent evt){
					System.exit(0);
			}
			});
}