!true = false !false = true && false = true || false = (true && false) || false = (true && !false) && false = !(true && false) && true = -1 > -3 = !(2 >= 2) = !(!(8 < 10) && !(0 == 0)) =  For the following expressions, assume the following variables to be declared and initialized properly. int x = 5, y = 10, z = 20; char a = 'a', b = 'b', c = 'y', d = 'z'; (2*x++ < y) will be (2*x == z - y) will be ++a == b will be c++ == --d will be a == (char)z will be