Method sum

java/lib/src/main/java/io/github/ccxt/base/Generic.java:387–391

(Object... args)

    // ---------- sum ----------

    public static Object sum(Object... args) {
        Object res = 0;
        for (Object arg : args) res = sum(res, arg);
        return res;
    }

    public static Object sum(Object a, Object b) {
        if (a == null) a = 0;