java random access file code example

Example 1: RandomAccessFile

RandomAccessFile randomAccessFile = new RandomAccessFile("data/data.txt", "r");

byte[] dest      = new byte[1024];
int    offset    = 0;
int    length    = 1024;
int    bytesRead = randomAccessFile.read(dest, offset, length);

Example 2: RandomAccessFile

RandomAccessFile file = new RandomAccessFile("c:\\data\\file.txt", "rw");

file.write(65); // ASCII code for A