[JAVA] create file from object use Write()

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.io.Serializable;
import java.io.ByteArrayOutputStream;
import java.io.ObjectOutputStream;

class MyObject implements Serializable {
String data = "Hello, World!";
}

public class CreateFileFromObject {
public static void main(String[] args) {
MyObject myObject = new MyObject();
try {
byte[] bytes = serializeObject(myObject);
Files.write(Paths.get("myobject.bin"), bytes);
} catch (IOException e) {
e.printStackTrace();
}
}

private static byte[] serializeObject(Object obj) throws IOException {
ByteArrayOutputStream boas = new ByteArrayOutputStream();
try (ObjectOutputStream oos = new ObjectOutputStream(boas)) {
oos.writeObject(obj);
return boas.toByteArray();
}
}
}