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Apagar caracteres (bufferedreader/writer)


CloudPT
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Boas pessoal,

Tenho uma pequena duvida em relação a um método em java

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

.

Este método é suposto percorrer um .txt (in) e verificar os caracteres no txt orders e escrever em outro txt sem os caracteres no orders. Por exemplo no

txt in "Hello World"

txt orders "Ho"

txt out " ell Wrld"  (final)

Eu tenho este codigo

  

String line;
char[] ords = new char[quantos+1];  // vector do txt orders
     while((line = in.readLine())!= null){ 
          
    }
    
}

A minha duvida é qual a melhor forma de apagar esses caracteres. Já pesquisei no api do java mas não consegui. :S

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