All the sources codes "Mindfuck"page 3

int j = 3;
j = (++j)+(j++); 

return !finished || notFinished; // even horse can not understand this.

boolean isTrue(boolean b) {
        HashMap map = new HashMap();
        b = ! !b;
        if (!(!(b == !b)) == false) {
            map.put(false, !(!(b != !b)));
        }
        return !map.containsKey(b) & (!true | !false);
    }