Merge pull request #1 from levymoreira/master

Método main
adicionando a segunda linha de impressao
Adicionando pacote e println
Merge pull request #1 from heliofrota/master
Update Tfk.java
Update Tfk.java
Merge pull request #7 from Javatfk/patch-1

Update Tfk.java
Contribuicao de Jardel Rodrigues
Contribuicao de Paulo Jr.
Contribuicao de Leandro Nascimento.
Adicionado arquivo .gitignore
License added #10
fixed #10
Added wording copyright statement
changed @ from email to at
fixed #11
fixed #9
created io package
fixed #8