*/
private static void coypByStream() throws IOException {
long startTime = System.currentTimeMillis();
FileInputStream fin = new FileInputStream(FROM_FILE);
FileOutputStream fout = new FileOutputStream("G:/to6.rar");
byte[] buffer = new byte[BUFFER_SIZE];
while (true) {
int ins = fin.read(buffer);
if (ins == -1) {
fin.close();
fout.flush();
break;
} else{
fout.write(buffer, 0, ins);
}
}
long endTime = System.currentTimeMillis();
System.out.println("coypByStream time consumed(buffer size take effect) : " + (endTime - startTime));
}
}