用Java读取文件并记住停止的字节

Question

i've to read in a .txt file. That File contains 13 parameters seperated by ",". I read it line by line, split after "," and wrote those 13 parameters in a database. But theres one Problem :

That file gets a bit bigger everyday (~ 2mb), so reading it by line will soon take a lot of time. So i thought of the following:

I want to read the file, then memorize the amount of bytes where the file finishes, write this "pointer" in a database and then next time start reading AFTER that bytes where the pointer is pointing to. (This way i don't have to read the whole stuff i already have again).

How can i do this?

Thanks!

Answer 1

You can do this using Random Access File . It lets you access file randomly, and thereby, you can start reading the file, from wherever you need to(not necessarily from the start).

Answer 2

根据这篇文章： http : BufferedReader具有一个skip()方法，该方法可用于跳入文件（似乎与随机访问文件类似）。