Whats wrong with this code?

[Juan]

This piece of code don't work if the '@' is not found:

      String em = usuario.getEmail();
      int p = em.indexOf('@');
      out.println(Integer.toString(p));

if the '@' is within the string, it works well. Why?

Thanks in advance,

Juan José Velázquez Garcia
Web Development
www.htmlspider.com.br



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