Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.RandomAccessFile;

public class Main {
    public static void main(String[] args) throws Exception {
        RandomAccessFile randomAccessFile = null;

        String line1 = "java2s.com\n";
        String line2 = "asdf1234\n";

        // read / write permissions
        randomAccessFile = new RandomAccessFile("yourFile.dat", "rw");

        randomAccessFile.writeBytes(line1);
        randomAccessFile.writeBytes(line2);

        // Place the file pointer at the end of the first line
        randomAccessFile.seek(line1.length());

        byte[] buffer = new byte[line2.length()];
        randomAccessFile.read(buffer);
        System.out.println(new String(buffer));

        randomAccessFile.close();
    }
}