MyFileWriter.java

import java.io.*;
import java.nio.file.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.FileStore;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;


public class MyFileWriter {
    public static void main(String[] args) throws IOException {
        // generateRegularFile();
        // generateHiddenFile();
        // String data = "Hello, World!";
        // String fileName1 = "example.txt";
        // String fileName2 = "example2.txt";
        // String fileName3 = "example3.txt";
        // String fileName4 = "example4.txt";

        // // 1. Using FileWriter
        // try (FileWriter writer = new FileWriter(fileName1)) {
        //     writer.write(data);
        // } catch (IOException e) {
        //     e.printStackTrace();
        // }

        // // 2. Using BufferedWriter
        // try (BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(fileName2))) {
        //     bufferedWriter.write(data);
        // } catch (IOException e) {
        //     e.printStackTrace();
        // }

        // // 3. Using FileOutputStream
        // try (FileOutputStream outputStream = new FileOutputStream(fileName3)) {
        //     outputStream.write(data.getBytes());
        // } catch (IOException e) {
        //     e.printStackTrace();
        // }

        // // 4. Using BufferedOutputStream
        // try (BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(fileName4))) {
        //     bufferedOutputStream.write(data.getBytes());
        // } catch (IOException e) {
        //     e.printStackTrace();
        // }

        // printFileSize("example5.txt");
        // try {
        //     System.out.println(stringify("example5.txt"));
        // } catch (IOException e) {
        //     // TODO Auto-generated catch block
        //     e.printStackTrace();
        // }
       
        File file1 = new File("file1.txt");
        File file2 = new File("file2.txt");
        File file3 = new File("file3.txt");

        Files.writeString(file1.toPath(), "Hellur");
        Files.writeString(file2.toPath(), "My name is ellikakaka");
        Files.writeString(file3.toPath(), "bababooey went to topics class and cried");

        printFileSize("file1.txt", "file2.txt", "file3.txt" , "smush.txt");
    }

    public static void generateHiddenFile() {
        // 5. Using Files (java.nio.file)
        try {
            String data = "pookie";
            Files.write(Paths.get(".secrtpswd.txt"), data.getBytes(StandardCharsets.UTF_8));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void generateRegularFile() {
        // 5. Using Files (java.nio.file)
        try {
            String data = "confidential info";
            Files.write(Paths.get(".topsecret/confidentiallll.txt"), data.getBytes(StandardCharsets.UTF_8));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // Calculate and print the file size using the File class
    private static void printFileSize(String... fileNames) {
    long totalSize = 0;
    for (String fileName : fileNames) {
        File file = new File(fileName);
        if (file.exists()) {
            totalSize += file.length();
        }
    }
    System.out.println("Total size of all files: " + totalSize + " bytes");
}




/**
* Reads a text file and returns its contents as a string.
* 
* @param filePath the path to the file
* @return the contents of the file as a string
* @throws IOException if an I/O error occurs
*/
public static String stringify(String filePath) throws IOException {
    Path filePathh = Paths.get(filePath);
    String content = Files.readString(filePathh);
    return content;
}



}