dhanji take 2

glom.java

    public void _glom(Stack<String> stack, String...a) {
        if (a.length == 0) {
            if (stack.peek() == "") {
                stack.pop();
            }
            return;
        }

        String s = a[0];
        if (s != "") {
            stack.push(stack.pop() + s);
        } else {
            if (stack.peek() != "") {
                stack.push("");
            }
        }

        _glom(stack, Arrays.copyOfRange(a, 1, a.length));
    }

    public List<String> glom(String...a) {
        Stack<String> stack = new Stack<String>();
        stack.push("");
        _glom(stack, a);

        return Arrays.asList(stack.toArray(new String[stack.size()]));
    }