package practica;

import java.awt.Color;

import java.awt.Container;

import java.awt.Dimension;

import javax.swing.JFrame;

import javax.swing.*;

public class nro3 extends JFrame

{ private JLabel msj1,msj2,msj3;

private JTextField txt1,txt2,txt3; 

public nro3()

{

super(“Formulario”);

setSize(600,600);

Container c=this.getContentPane();

this.setLayout(null);

msj1=new JLabel(“Nombre “);

msj1.setBounds(0,0,80,20);

c.setSize(new Dimension(100,100));

c.setBackground(Color.RED);

c.setBounds(10, 10,30,20);

c.add(msj1);

Container c1=this.getContentPane();

this.setLayout(null);

msj2=new JLabel(“Apellido”);

msj2.setBounds(20,20,50,30);

c1.setSize(100,50);

c1.setBackground(Color.blue);

c1.add(msj2);

Container c2=this.getContentPane();

Container c3=this.getContentPane();

Container c4=this.getContentPane();

setVisible(true);

} public static void main(String[] args)

{  nro3 n=new nro3();  n.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    } 

}