Java - byte[] 배열을 File에 저장

import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class ConvertByteArrayToFile {

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

        String str = "Hello, World!";
        byte[] bytes = str.getBytes();

        Path path = Paths.get("/var/tmp/sample.txt");
        Files.write(path, bytes);
    }
}

$ cat /var/tmp/sample.txt
Hello, World!

import java.io.*;

public class ConvertByteArrayToFile {

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

        String str = "Hello, World!";
        byte[] bytes = str.getBytes();

        try (FileOutputStream fos = new FileOutputStream("/var/tmp/sample.txt")) {
            fos.write(bytes);
        }
    }
}

$ cat /var/tmp/sample.txt
Hello, World!

String str = "Hello, World!";
byte[] bytes = str.getBytes();

FileUtils.writeByteArrayToFile(new File("/var/tmp/sample.txt"), bytes);