java-process-builder.java

    public static void getInfoTest() throws IOException {
        ProcessBuilder pb = new ProcessBuilder("echo", "Hello World!");
        String na = "<not available>";
        Process p = pb.start();
        ProcessHandle.Info info = p.info();
        System.out.printf("Process ID: %s%n", p.pid());
        System.out.printf("Command name: %s%n", info.command().orElse(na));
        System.out.printf("Command line: %s%n", info.commandLine().orElse(na));

        System.out.printf("Start time: %s%n",
            info.startInstant().map((Instant i) -> i
                .atZone(ZoneId.systemDefault()).toLocalDateTime().toString())
                .orElse(na));

        System.out.printf("Arguments: %s%n",
            info.arguments().map(
                (String[] a) -> Stream.of(a).collect(Collectors.joining(" ")))
                .orElse(na));

        System.out.printf("User: %s%n", info.user().orElse(na));
    }