import  java.io.*;
class FileReaderAndFileWriter{
      public static void main(String[] args) throws IOException {

    FileReader in = new FileReader("C:/Hello.txt");
    FileWriter out = new FileWriter("C:/new.txt");
    int c;
    while ((c = in.read()) != -1){
        System.out.print((char)c);
    out.write(c);
    }
    out.close();
  }
}

import  java.io.*;
class BufferedReaderAndBufferedWriter{
    public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new FileReader("C:/Hello.txt"));
    BufferedWriter out = new BufferedWriter(new FileWriter("C:/new.txt"));
    String line="";
    while((line = in.readLine()) != null){
    out.write(line);
    out.newLine();
    System.out.println(line);
    }
    out.close();
    }
}