public static boolean equals(Values a, Values b) {
        if (a == null || b == null) {
            return false;
        }
        if (a.size() != b.size()) {
            return false;
        }
        for (int i = 0; i < a.size(); i++) {
            if (!equals(a.get(i), b.get(i))) {
                return false;
            }
        }
        return true;
    }
A simple object used to pass a single object from one thread to
another.
jrt/tests/com/yahoo/jrt/Test.java