Cara, faz uma busca no Google, tem vários exemplos, como esse aqui:
http://www.devmedia.com.br/validando-o-cpf-em-uma-aplicacao-java/22097
http://www.devmedia.com.br/validando-o-cpf-em-uma-aplicacao-java/22097
On Sat, Feb 14, 2015 at 5:36 PM, Felipe José Teixeira de Paula <teixeiradepaula@gmail.com> wrote:
Estou desenvolvendo um app, e quero colocar no campo de cpf um verificador... pra saber se existe, pois irei tb utiliza-lo como campo chave... como faço isso??--
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