Java tutorial
import java.io.IOException; import java.io.RandomAccessFile; public class Main { public static void main(String[] args) { try { RandomAccessFile raf = new RandomAccessFile("c:\\temp\\RAFsample.txt", "rw"); raf.writeInt(10); raf.writeInt(43); raf.writeInt(88); raf.writeInt(455); raf.seek((3 - 1) * 4); raf.writeInt(99); raf.seek(0); int i = raf.readInt(); while (i != -1) { System.out.println(i); i = raf.readInt(); } raf.close(); } catch (IOException e) { } } }