Criar um arquivo atraves de um OutputStream

M9999 m = new M9999();
		OutputStream outputStream = null;
		
		m.writeMessage();
		try {
			outputStream = m.xmlMessage();
			outputStream.flush();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		File file = new File("C:\\M9999.xml");
		try {
			file.createNewFile();
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(0);
		}
		
		System.out.println("mensagem criada com sucesso");