CODE EXAMPLE FOR CPP

how to concatenate string in c++

 Path filePath = Path.of("C:UsersPublicDocumentslabelingLabel.prn");

            try {
                byte[] bytes = Files.readAllBytes(Paths.get(String.valueOf(filePath)));
                commands = new String(bytes);
                //Replace data
                String cmd1 = commands.replaceAll("@Part@", PartLead);
                String cmd2 = cmd1.replaceAll("@Date@", Adate);
                cmdF = cmd2.replaceAll("@Shift@", Ashift);

            } catch (IOException e) {
                e.printStackTrace();
            }

 FileOutputStream os = new FileOutputStream("\localhostzebra1"); //printer Should be Shared
            PrintStream ps = new PrintStream(os);
            ps.println(cmdF);
            ps.print("f");
            ps.close();
             } catch (Exception e) {
            // TODO: handle exception
            e.printStackTrace();
        }