Programas y Aplicaciones: Comprobar dirección de correo correcta Java

private static final String PATTERN_EMAIL = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@"

        + "[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";

public boolean validarCorreo(String email) {

    Pattern pattern = Pattern.compile(PATTERN_EMAIL);

    Matcher matcher = pattern.matcher(email);
    return matcher.matches();

}