Java - no se ejecuta mi codigo porfa ayudenme

import javax.swing.*;

import java.awt.event.*;

import java.awt.*;

public class Bienvenida extends JFrame implements ActionListener{

  private JTextField textofiel1;

  private JLabel label1, label2, label3, label4;

  private JButton boton1;

  public Bienvenida(){

    setLayout(null);

    setTitle("Bienvenido");

    getContentPane().setBackground(new Color(255,0,0));

    setIconImage(new ImageIcon(getClass().getResource("images/icon.png")).getImage());

    ImageIcon imagen = new ImageIcon("images/logo-coca.png");

    label1 = new JLabel(imagen);

    label1.setBounds(25,15,200,150);

    add(label1);

    label2 = new JLabel("Sistema de Control Vacacional");

    label2.setBounds(35,135,300,30);

    label2.setFont(new Font("Andale Mono", 3, 18));

    label2.setForeground(new Color(255,255,255));

    add(label2);

    label3 = new JLabel("Ingrese su Nombre");

    label3.setBounds(45,212,200,30);

    label3.setFont(new Font("Andale Mono", 1, 12));

    label3.setForeground(new Color(255,255,255));

    add(label3);

    label4 = new JLabel("©2017 The Coca-Cola Company");

    label4.setBounds(85,375,300,30);

    label4.setFont(new Font("Andale Mono", 1, 12));

    label4.setForeground(new Color(255,255,255));

    add(label4);

    textofiel1 = new JTextField();

    textofiel1.setBounds(45,240,255,25);

    textofiel1.setBackground(new Color(224,224,224));

    label4.setFont(new Font("Andale Mono", 1, 14));

    label4.setForeground(new Color(255,0,0));

    add(textofiel1);

    boton1 = new JButton("Ingresar");

    boton1.setBounds(125,280,100,30);

    boton1.setBackground(new Color(255,255,255));

    boton1.setFont(new Font("Andale Mono", 1, 14));

    boton1.setForeground(new Color(255,0,0));

    boton1.addActionListener(this);

    add(boton1);

  }

  public void actionPerformed(ActionEvent e){

   if(e.getSource() == boton1){

   }

  }

 public static void main(String args[]){

  Bienvenida ventana = new Bienvenida();

  ventana.setBounds(0,0,350,450);

  ventana.setVisible(true);

  ventana.setResizable(false);

  ventana.setLocationRelativeTo(null);

 }

}