FileIO.java

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class FileIO {

    public static void main(String[] args) {
        String Names[] = {"Younas", "Hasnat", "Ahmad"};
        try {
            BufferedWriter writer = new BufferedWriter(new FileWriter("R:\\PF\\Learning java\\Files.txt"));
            writer.write("Writing to a file ");
            writer.write(" \nThis is the 2nd line of the file");

            for (String name : Names) {
                writer.write("\n" + name);
            }
            writer.close();

        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            BufferedReader reader = new BufferedReader(new FileReader("R:\\PF\\Learning java\\Files.txt"));
            String line;
            while ((line = reader.readLine()) != null) {
                System.out.println(line);
            }

        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}