import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;

public class ReaderWriter {
	public static void main(String[] args) throws FileNotFoundException {
		Scanner fileReader = new Scanner(new File("data.txt"));
		while (fileReader.hasNextLine()) {
			String line = fileReader.nextLine();
			System.out.println(line);
		}
		fileReader.close();

		PrintStream fileWriter = new PrintStream("output.txt");
		fileWriter.println("output line1");
		fileWriter.print("output line2");
		fileWriter.print("output line2");
		fileWriter.close();
	}
}