Java - TCP File Transfer

**********CLIENT*********

public static void main(String[] args) {
byte[] aByte = new byte[1];
int bytesRead;

Socket clientSocket = null;
InputStream is = null;

try {
clientSocket = new Socket("127.0.0.1", 3248);
is = clientSocket.getInputStream();
} catch (IOException ex) {
// Do exception handling
}

ByteArrayOutputStream baos = new ByteArrayOutputStream();

if (is != null) {

FileOutputStream fos = null;
BufferedOutputStream bos = null;
try {
fos = new FileOutputStream("out.txt");
bos = new BufferedOutputStream(fos);
bytesRead = is.read(aByte, 0, aByte.length);

do {
baos.write(aByte);
bytesRead = is.read(aByte);
} while (bytesRead != -1);

bos.write(baos.toByteArray());
bos.flush();
bos.close();
clientSocket.close();
} catch (IOException ex) {
// Do exception handling
}
}

}

*********SERVER**************

public static void main(String[] args) {
while (true) {
ServerSocket welcomeSocket = null;
Socket connectionSocket = null;
BufferedOutputStream outToClient = null;

try {
welcomeSocket = new ServerSocket(3248);
connectionSocket = welcomeSocket.accept();
outToClient = new BufferedOutputStream(connectionSocket.getOutputStream());
} catch (IOException ex) {
// Do exception handling
}

if (outToClient != null) {
File myFile = new File("in.txt");
byte[] mybytearray = new byte[(int) myFile.length()];

FileInputStream fis = null;

try {
fis = new FileInputStream(myFile);
} catch (FileNotFoundException ex) {
// Do exception handling
}
BufferedInputStream bis = new BufferedInputStream(fis);

try {
bis.read(mybytearray, 0, mybytearray.length);
outToClient.write(mybytearray, 0, mybytearray.length);
outToClient.flush();
outToClient.close();
connectionSocket.close();

// File sent, exit the main method
return;
} catch (IOException ex) {
// Do exception handling
}
}
}

}