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I've done it if someone is curious i post the code


static void removeLetters( BufferedReader orders, BufferedReader in, BufferedWriter out ) throws IOException;{


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Thanks Norm, i think i understood, i will try it :).

the source is a .txt that was given to me, but it mut read any Buffer given; i must build those methods, anid would like to know if there is a way to know the length of the BufferReader, for...

I got an home assignment, that is composed by writting a class where i must have 3 methods:

>static void removeLetters( BufferedReader orders, BufferedReader in, BufferedWriter out ) throws...