Lendo dados de um arquivo
try {
BufferedReader in = new BufferedReader(new FileReader("infilename"));
String str;
while ((str = in.readLine()) != null) {
processo(str);
}
in.close();
} catch (IOException e) {
}
try {
BufferedReader in = new BufferedReader(new FileReader("infilename"));
String str;
while ((str = in.readLine()) != null) {
processo(str);
}
in.close();
} catch (IOException e) {
}