April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Exemplo de leitura e escrita
nimport java.io.*;
npublic class Copy {
n public static void main(String[] args) throws IOException {
n   File fonte = new File(args[0] != null ? args[0]:“filein.txt”);
n   File dest  = new File(args[1] != null ? args[1]:“fileout.txt”);
n   if( fonte.exists() && ! dest.exists() ) {
n     Reader in  = new FileReader(fonte);
n     Writer out = new FileWriter(dest);
n     int c;
n     while ((c = in.read()) != -1)
n       out.write(c);
n     in.close();
n     out.flush(); out.close();
n   }
n }
n}