Java Utililty Methods FileInputStream Read

FileInputStream srcStream = new FileInputStream(srcFile);
byte[] buf = new byte[65535];
int bytesRead;
while (true) {
    bytesRead = srcStream.read(buf);
    if (bytesRead == -1) {
        break;
    } else {
...

String adhocXml = null;
try {
    FileInputStream fis = new FileInputStream(target);
    byte[] all = new byte[(int) target.length()];
    fis.read(all);
    fis.close();
    adhocXml = new String(all);
    return adhocXml;
...

try {
    return fileinputstream.read(abyte0);
} catch (IOException ex) {
    System.err.println("File cannot be read.");
return -1;

return readStream(new FileInputStream(file));

try {
    return readFile(new FileInputStream(file));
} catch (IOException e) {
    throw new RuntimeException(e);

return readStream(new FileInputStream(file));

final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
copy(stream, bytes);
return bytes.toByteArray();

FileInputStream input = null;
byte[] daten = null;
try {
    input = new FileInputStream(fileNamePath);
    daten = new byte[input.available()];
    input.read(daten);
} finally {
    if (input != null) {
...

ByteArrayOutputStream ous = new ByteArrayOutputStream();
byte[] buffer = new byte[4096];
int read = 0;
while ((read = ios.read(buffer)) != -1) {
    ous.write(buffer, 0, read);
byte[] bs = ous.toByteArray();
ous.close();
...

int bytePos = 0;
int bIn = iStream.read();
byte[] byteArray = new byte[1000];
while (bIn != -1) {
    byteArray[bytePos] = (byte) bIn;
    bytePos++;
    if (bytePos % 1000 == 0 && bytePos != 0) {
        byte[] newByteArray = new byte[bytePos + 1000];
...