Question

Java File I/O

Write a brief program that writes your name to a file in text format and then reads it back. Use the PrintWriter and Scanner classes.

Answer 1

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

public class NameFile {

    public static void main(String[] args) throws FileNotFoundException {
        String filename = "name.txt";
        File file = new File(filename);
        PrintWriter pw = new PrintWriter(file);
        pw.println("Cristiano Ronaldo");
        pw.close();
        Scanner fin = new Scanner(file);
        System.out.println(fin.nextLine());
        fin.close();
    }
}