AP Computer Science A

&&

both terms need to be true for the whole expression to be true

true && true

true

true && false

false

false && true

false

false && false

false

||

one or the other has to be true for the whole expression to be true

true || true

true

true || false

true

false || true

true

false || false

false

if (rain) —>

if(rain == Tru

dangling else

else statement belongs to the closest if statement

De Morgan’s Laws

!(a == b)

a ≠ b

!(a ≠ b)

a == b

!(a < b)

a >= b

!(a > b)

a <= b

!(a <= b)

a > b

!(a >= b)

a < b