删除Java中文件的内容 [英] Delete Content of a File in Java

问题描述

我正在将字节写入temp.fls文件.完成该操作后，我想从temp.fls文件中删除最后256个字节.我怎样才能做到这一点?请帮助我.

I'm writing bytes to temp.fls file. After completing the operation, I want to delete the last 256 bytes from the temp.fls file. How can I achieve this? Please help me.

谢谢.

推荐答案

使用

Use RandomAccessFile.setLength() like so:

RandomAccessFile f = new RandomAccessFile(yourFile,"rw");
f.setLength(f.length()-256);

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