Question

Suppose that alpha and beta are int variables. The statement alpha = beta--; is equivalent to the statement(s) ____.
a. alpha = 1 - beta;
b. alpha = beta - 1;
c. beta = beta - 1;
alpha = beta;
d. alpha = beta;
beta = beta - 1

Answer 1

d.

The unary postfix decrement operator, when used in an expression, decrements the value of its operand but has the old value of the operand.

Answer 2

alpha = beta--;

is the same as

aplha = beta-1;

so it is A

Answer 3

It's D
because :
alpha will take the value beta then beta will be decremented

Answer 4

The prefix operators increment/decrement then evaluate.
The postfix operators evaluate then increment/decrement.

D is correct.

Answer 5

Thank You!