SimpleExample.java

package br.com.caelum.stella.example;

import java.util.List;

import br.com.caelum.stella.ValidationMessage;
import br.com.caelum.stella.validation.CPFValidator;

public class SimpleExample {
	public static void main(String[] args) {
		String cpf = "867.554.707-24";
		List<ValidationMessage> messages = new CPFValidator().invalidMessagesFor(cpf);
		for (ValidationMessage error : messages) {
			System.out.println(error.getMessage());
		}

		new CPFValidator().assertValid("867.554.707-24");
	}
}