将输入流复制到输出流
此函数在两个流之间复制数据 -
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);