OS Lab 1.2

import java.io.*;
import java.util.ArrayList;
import java.util.RandomAccess;

public class HW01_2 {
    public static void main(String[] args) throws IOException {
        RandomAccessFile raf = new RandomAccessFile("izvor.txt", "r");
        PrintWriter pv=new PrintWriter(new FileOutputStream("destinacija.txt"));
long pos=raf.length();
raf.seek(pos--);
int d;
while(pos>-1){
    raf.seek(pos--);
    d=raf.read();
    pv.write(d);
}
    raf.close();
pv.close();
        pv.flush();

    }
}