void (String[] args) { boolean x = true, y = true, z = true, t = true; boolean r = <warning descr="Condition 'x ^ y ^ z ^ t' is always 'false'"><warning descr="Condition 'x ^ y ^ z' is always 'true'"><warning descr="Condition 'x ^ y' is always 'false'">x ^ y</warning> ^ z</warning> ^ t</warning>; System.out.println("r: " + r); }