Archivos Java

Files.java

package org.example;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class Files {
    public static void crearArchivo() {
        try {
            File myObj = new File("filename.txt");
            if (myObj.createNewFile()) {
                System.out.println("File created: " + myObj.getName());
            } else {
                System.out.println("File already exists.");
            }
        } catch (IOException e) {
            System.out.println("An error occurred.");
        }
    }

    public static void escribirEnArchivo(String texto) {
        try {
            FileWriter myWriter = new FileWriter("filename.txt");
            myWriter.write(texto);
            myWriter.close();
            System.out.println("Successfully wrote to the file.");
        } catch (IOException e) {
            System.out.println("An error occurred.");
        }
    }

    public static void leerArchivo() {
        try {
            File myObj = new File("filename.txt");
            Scanner myReader = new Scanner(myObj);
            while (myReader.hasNextLine()) {
                String data = myReader.nextLine();
                System.out.println(data);
            }
            myReader.close();
        } catch (FileNotFoundException e) {
            System.out.println("An error occurred.");
        }
    }

}