How to use RandomAccessFile class in Java?

Below code shows how to use RandomAccessFile java class –

[java]
/****************************************************************************************
* Created on 08-2011 Copyright(c) https://kodehelp.com All Rights Reserved.
****************************************************************************************/
package com.kodehelp.java.io;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;

/**
* Created by Vigilance India.
* User: https://kodehelp.com
* Date: Aug 1, 2011
*/
public class RandomAccessFileExample {
public static void main(String[] args) {
try {
/*Create a new instance of RandomAccessFile class. We’ll do a "r"
read and "w" write operation to the file. If you want to do a write
operation you must also allow read opeartion to the RandomAccessFile
instance.*/

RandomAccessFile raf = new RandomAccessFile("Fruits.dat", "rw");

/* Let’s write some text to the end of the file*/

String fruits[] = new String[5];
fruits[0] = "Apple";
fruits[1] = "Orange";
fruits[2] = "Grapes";
fruits[3] = "Banana";
fruits[4] = "Strawberry";

for (int i = 0; i < fruits.length; i++) {
raf.writeUTF(fruits[i]);
}

//
// Write another data at the end of the file.
//
raf.seek(raf.length());
raf.writeUTF("Blackberry");

//
// Move the file pointer to the beginning of the file
//
raf.seek(0);

//
// While the file pointer is less than the file length, read the
// next strings of data file from the current position of the
// file pointer.
//
while (raf.getFilePointer() < raf.length()) {
System.out.println(raf.readUTF());
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

}
}
[/java]