Question

In JAVA 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

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import java.io.*;

import java.util.Scanner;

public class Excercise{

    public static void main(String[] args) throws FileNotFoundException{

        Scanner userScnr = new Scanner(System.in);

        System.out.print("Enter your name: ");

        String name = userScnr.nextLine();

        File file = new File("output.txt");

        System.out.println("Writing name into a file...");

        PrintWriter pw = new PrintWriter(file);

        pw.println(name);

        pw.close();

        System.out.println("Successfully your name saved into output.txt");

        System.out.println("\nReading your name from output.txt...");

        Scanner fileScnr = new Scanner(file);

        name = fileScnr.nextLine();

        System.out.println("Your name is from file is: "+name);

        fileScnr.close();

    }

}