Java tutorial
import java.io.File; import java.io.IOException; import java.io.RandomAccessFile; public class MainClass { public static void main(String[] args) throws IOException { RandomAccessFile raf = new RandomAccessFile(new File("temp.tmp"), "rw"); raf.writeInt(1); for (int i = 0; i < 10; i++) { raf.seek(raf.length() - 4); raf.writeInt(raf.readInt()); } raf.close(); } }