Concepts and Code for U

import java.io.File;
import java.io.RandomAccessFile;
import java.io.IOException;


public class RandomAccessFileExample {

private static void doAccess() {

try {

File file = new File("Test5Example.txt");

RandomAccessFile raf = new RandomAccessFile(file, "rw");

// Read a character

byte ch = raf.readByte();

System.out.println("Read first character of file: " + (char)ch);

System.out.println("Read full line: " + raf.readLine());

// Seek to the end of file

raf.seek(file.length());

// Append to the end of the file

raf.writeChars("for appending to the input file");

raf.writeBytes("this will also written into the output file");

raf.close();

}

catch (IOException e) {

System.out.println("IOException");

e.printStackTrace();

}

}

public static void main(String[] args) {

doAccess();

}