Java Utililty Methods Write Byte Array to File

return writeFile(data, file, false);

try {
    DataOutputStream out = new DataOutputStream(new FileOutputStream(fileName));
    out.write(b);
    out.close();
} catch (Exception e) {
    e.printStackTrace();

try {
    FileOutputStream o = new FileOutputStream(file);
    o.write(buf);
    o.close();
    return true;
} catch (FileNotFoundException e) {
    e.printStackTrace();
} catch (IOException e) {
...

if (file.isDirectory()) {
    throw new IllegalArgumentException(
            "File '" + file.getAbsoluteFile() + "' is an existing directory.  Cannot write.");
File folder = file.getParentFile();
if (folder != null && !folder.exists()) {
    folder.mkdirs();
FileOutputStream stream = new FileOutputStream(file);
try {
    stream.write(bytes);
    stream.flush();
} finally {
    stream.close();

BufferedOutputStream stream = null;
try {
    FileOutputStream fstream = new FileOutputStream(file);
    stream = new BufferedOutputStream(fstream);
    stream.write(bytes);
} catch (IOException e) {
    e.printStackTrace();
} finally {
...

writeFile(new ByteArrayInputStream(bytes), file);

int n = path.lastIndexOf("/");
if (n > 0) {
    String dir = path.substring(0, n);
    File f = new File(dir);
    f.mkdir();
try {
    FileOutputStream out = new FileOutputStream(new File(path));
...

File file = new File(filename);
if (!file.exists()) {
    file.createNewFile();
FileOutputStream fop = new FileOutputStream(file);
fop.write(content);
fop.flush();
fop.close();
...

File file = new File(SERVER_PATH + filename);
if (!file.exists()) {
    file.createNewFile();
FileOutputStream fop = new FileOutputStream(file);
fop.write(content);
fop.flush();
fop.close();
...

writeStream(data, new FileOutputStream(file));