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Hi,
\r is a carage return, it means it makes u go to the beginig of the line.
Usually it is used with a \n, because if u write a line then u dont insert a \n, but you insert only \r u will overwrite what u wrote before.
\n is a new line feed, if u dont go to a new line u will overwrite the line before.
I have never heard about \f in java.
Bye.
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