Java Utililty Methods UTF File Write

PrintWriter asPrintWriterUTF8(OutputStream out)
Create a print writer that uses UTF-8 encoding

return new PrintWriter(asUTF8(out));

BufferedWriter getBufferedUTF8Writer(File file)
Creates a BufferedWriter for UTF-8-encoded files

return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), Charset.forName("UTF-8")));

Writer getUTF8FileAppendWriter(String filename)
get UTF File Append Writer

return new BufferedWriter(
 new OutputStreamWriter(new FileOutputStream(getFile(filename), true), StandardCharsets.UTF_8));

Writer getUTF8FileWriter(File f)
get UTF File Writer

return getUTF8FileWriter(f.getPath());

Writer getUTF8Writer(OutputStream os)
Create a new file writer that uses UTF-8.

return new OutputStreamWriter(os, StandardCharsets.UTF_8);

Writer getUTF8Writer(String file)
get UTF Writer

return new PrintWriter(new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8));

Writer utf8Writer(File file)
Creates a writer whose character encoding is set to "UTF-8".

return utf8Writer(file, false);

Writer utf8Writer(final File f)
Creates a Writer that writes to the given file, converting chars to bytes using the UTF-8 charset.

return new OutputStreamWriter(new FileOutputStream(f), UTF8);

void writeFile(byte[] data, String outfile)
write File

FileOutputStream fout = null;
FileChannel fc = null;
try {
 fout = new FileOutputStream(outfile);
 fc = fout.getChannel();
 fc.transferFrom(Channels.newChannel(new ByteArrayInputStream(data)), 0, data.length);
} catch (Exception e) {
 e.printStackTrace();
...

boolean writeFile(String fileName, ArrayList data, String outputFolder)
write the contents of given data (list of lines) under given fileName in given outputFolder

try {
 Path outputFile = Paths.get(outputFolder + File.separator + fileName);
 createFoldersForPath(outputFile.toAbsolutePath().toString());
 Files.write(outputFile, data, Charset.forName("UTF-8"));
 return true;
} catch (IOException e) {
 e.printStackTrace();
 return false;
...