Question

I have a Socket that works well, but is it possible to write a newline to the Socket OutputStream?

This is what I’ve tried:

InputStream input  = clientSocket.getInputStream();
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);

out.write("Hello" + "\r\n");          
out.write("People");

out.flush();

Answer 1

“newline” is a text-based concept. An OutputStream is a binary-based concept.

If you’re writing text to the socket, you should use a Writer of some description, e.g. an OutputStreamWriter. You can then wrap that in a BufferedWriter which has an appropriate newLine() method.

If you’re not writing text to the socket, then “new line” doesn’t really make much sense.