public static void main()

in java/java-guestbook/backend/src/main/java/cloudcode/guestbook/backend/BackendApplication.java [13:23]

• 11 lines of code
• 3 McCabe index (conditional complexity)

    public static void main(String[] args) {
        final String[] expectedVars = {"PORT", "GUESTBOOK_DB_ADDR"};
        for (String v : expectedVars) {
            String value = System.getenv(v);
            if (value == null) {
                System.out.format("error: %s environment variable not set", v);
                System.exit(1);
            }
        }
        SpringApplication.run(BackendApplication.class, args);
    }