如果文件大小> 8k,爲什麼LAST字節讀= 0?Java BufferedInputStream行爲
private static final int GAP_SIZE = 8 * 1024;
public static void main(String[] args) throws Exception{
File tmp = File.createTempFile("gap", ".txt");
FileOutputStream out = new FileOutputStream(tmp);
out.write(1);
out.write(new byte[GAP_SIZE]);
out.write(2);
out.close();
BufferedInputStream in = new BufferedInputStream(new FileInputStream(tmp));
int first = in.read();
in.skip(GAP_SIZE);
int last = in.read();
System.out.println(first);
System.out.println(last);
}
字節的實際數目跳過不能保證。你必須檢查它。似乎它不想跳過本地文件系統塊大小。 – Perception