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 fh1 = new RandomAccessFile("a.txt", "r");
        RandomAccessFile fh2 = new RandomAccessFile("b.txt", "r");
        long filesize1 = fh1.length();
        long filesize2 = fh2.length();
        // allocate two buffers large enough to hold entire files
        int bufsize = (int) Math.min(filesize1, filesize2);
        byte[] buffer1 = new byte[bufsize];
        byte[] buffer2 = new byte[bufsize];

        fh1.readFully(buffer1, 0, bufsize);
        fh2.readFully(buffer2, 0, bufsize);

        for (int i = 0; i < bufsize; i++) {
            if (buffer1[i] != buffer2[i]) {
                System.out.println("Files differ at offset " + i);
                break;
            }
        }
        fh1.close();
        fh2.close();
    }
}