Java tutorial
import java.io.RandomAccessFile; public class Main { public static void main(String[] args) throws Exception { RandomAccessFile raf = new RandomAccessFile("books.dat", "rw"); String books[] = new String[5]; books[0] = "A"; books[1] = "B"; books[2] = "C"; books[3] = "D"; books[4] = "E"; for (int i = 0; i < books.length; i++) { raf.writeUTF(books[i]); } raf.seek(raf.length()); raf.writeUTF("Servlet & JSP Programming"); raf.seek(0); while (raf.getFilePointer() < raf.length()) { System.out.println(raf.readUTF()); } } }