File Random Read

import javax.swing.*;

import java.io.*;

public class RandomFileReadSample1

{

final static int RECORDLENGTH = 49;

int recno = 0;

String title;

int length;

char lent;

RandomAccessFile randomFile;

public static void main(String[] args)

{

new RandomFileReadSample1();

}

public RandomFileReadSample1() {

try

{

randomFile = new RandomAccessFile("random0.dat", "rw");

long fileLength = randomFile.length();

long numberOfRecords = fileLength / RECORDLENGTH;

for (recno=0; recno<numberOfRecords; recno++)

{

randomFile.seek(recno*RECORDLENGTH);

String title=randomFile.readUTF();

randomFile.seek(recno*RECORDLENGTH+42);

length=randomFile.readInt();

randomFile.seek(recno*RECORDLENGTH+47);

lent=randomFile.readChar();

System.out.println(title + ", " + length + ", " + lent);

}

randomFile.close();

}

catch (Exception e) {

System.out.println("File error");

}

}

}