static public void copy2File(byte[] src, String fileOut) throws IOException {
    try (FileOutputStream fout = new FileOutputStream(fileOut)) {
      InputStream in = new BufferedInputStream( new ByteArrayInputStream(src));
      OutputStream out = new BufferedOutputStream(fout);
      IO.copy(in, out);
    }
  }
static public void copy2File(byte[] src, String fileOut) throws IOException {
    try (FileOutputStream fout = new FileOutputStream(fileOut)) {
      InputStream in = new BufferedInputStream( new ByteArrayInputStream(src));
      OutputStream out = new BufferedOutputStream(fout);
      IO.copy(in, out);
    }
  }
static public void copy2File ( byte [ ] src , String fileOut ) throws IOException { try ( FileOutputStream fout = new FileOutputStream ( fileOut ) ) { InputStream in = new BufferedInputStream ( new ByteArrayInputStream ( src ) ) ; OutputStream out = new BufferedOutputStream ( fout ) ; IO . copy ( in , out ) ; } }
copy file to output stream

@param src  source
@param fileOut        copy to this file
@throws java.io.IOException on io error
copy file to output stream