Mano.java

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class Mano {
	private JPanel content;
	private JTextField nombre;
	private JPasswordField password;
	private JButton iniciarButton;
	private JButton detenerButton;

	public void doLayout() {
		content = new JPanel(){{
			add(new Box(BoxLayout.Y_AXIS){{
				add(new JPanel(){{
					add( new Box(BoxLayout.Y_AXIS){{
						add( new JLabel("Nombre de Red"));
						add( new JLabel("Contraseña"));
					}});
					add( new Box(BoxLayout.Y_AXIS){{
						add( (nombre=new JTextField(20) ));
						add( (password=new JPasswordField(20) ));
					}});
				}});
				add( new JPanel(){{
					add((iniciarButton=new JButton("Iniciar")));
					add((detenerButton=new JButton("Detener")));
				}});
			}});
		}};
	}


	public static void main(String[] args) {
		Mano app = new Mano();
		app.doLayout();
		app.iniciarButton.addActionListener(ae->
				System.out.println("app.password.getPassword() = "
						+ new String(app.password.getPassword()))
		);

		JFrame frame = new JFrame("WIFI");
		frame.setContentPane(app.content);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.pack();
		frame.setVisible(true);
	}
}