將輸入流複製到輸出流
此函式在兩個流之間複製資料 -
void copy(InputStream in, OutputStream out) throws IOException {
byte[] buffer = new byte[8192];
while ((bytesRead = in.read(buffer)) > 0) {
out.write(buffer, 0, bytesRead);
}
}
示例 -
// reading from System.in and writing to System.out
copy(System.in, System.out);