Java Utililty Methods Byte Array from

int bytesRead = 0;
byte[] content = new byte[length];
while (bytesRead < length) {
    int result;
    try {
        result = inStream.read(content, bytesRead, length - bytesRead);
        if (result == -1)
            break;
...

if ((value >= 0x20 && value <= 0x7F) || (value >= 0xA0 && value <= 0xDF)) {
    return new byte[] { (byte) value };
} else {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    int high = (byte) ((value >>> 8) & 0xFF);
    int low = (byte) ((0xFF & value));
    baos.write(high);
    baos.write(low);
...

byte[] bytes = null;
try {
    bytes = content.getBytes("UTF-8");
} catch (UnsupportedEncodingException ex) {
    bytes = content.getBytes();
return bytes;

try {
    return data.getBytes(encoding);
} catch (UnsupportedEncodingException e) {
    throw new RuntimeException(e);

byte[] data = null;
while (true) {
    System.out.print("Please Input Data \"" + defaultPlain + "\"(default): ");
    try {
        String str = new BufferedReader(new InputStreamReader(System.in)).readLine();
        if ("".equals(str)) {
            data = defaultPlain.getBytes();
        } else {
...

File file = new File("src/test/resources/crc_test_files/" + fileName);
FileInputStream fin = new FileInputStream(file);
byte fileContent[] = new byte[(int) file.length()];
fin.read(fileContent);
return fileContent;

return getBytes(new File(fileName));

byte[] buffer = null;
try {
    File file = new File(filePath);
    FileInputStream fis = new FileInputStream(file);
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1000);
    byte[] b = new byte[1000];
    int n;
    while ((n = fis.read(b)) != -1) {
...

byte[] buffer = null;
try {
    File file = new File(filePath);
    FileInputStream fis = new FileInputStream(file);
    ByteArrayOutputStream bos = new ByteArrayOutputStream(DEFAULT_BUFF_SIZE * UNIT_LEN);
    byte[] b = new byte[DEFAULT_BUFF_SIZE * UNIT_LEN];
    int n;
    while ((n = fis.read(b)) != -1) {
...

File file = new File(fileUrl);
if (!file.exists()) {
    return null;
FileInputStream io = null;
byte[] data = null;
try {
    io = new FileInputStream(file);
...