OS_L1_3

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

public class HW01_3 {

    public static void main(String[] args)throws IOException {
        // TODO Auto-generated method stub
        BufferedReader reader = null;
        BufferedWriter writer = null;
        try {
            reader = new BufferedReader(new FileReader("izvor.txt"));
            writer = new BufferedWriter(new FileWriter("destinacija.txt"));
            String line;
            List<String> rows = new ArrayList<>();
            while((line = reader.readLine())!=null) {
                rows.add(line);
            }
            reverse(rows,writer);

        }
        finally {
            if (reader != null) reader.close();
            if (writer != null) writer.close();
        }
    }
    public static void reverse(List<String> list, BufferedWriter writer) throws IOException {
        int offset = list.size() - 1;
        String line;
        while(offset>=0) {
            line = list.get(offset);
            StringBuilder sb = new StringBuilder(line).reverse();
            writer.write(sb.toString());
            writer.newLine();
            offset--;
        }
    }

}