Question

what will be the output, if x=5? (a) 5*++x (b) 5*x++

Answer 1

x=5
5*++x=5*(5+1)
x=5*6=30

(b) x=5
5*x++
=5*5
=25

Answer 2

Answer:

The output of  (a) 5*++x = 30

(b) 5*x++ = 25

Explanation:

The operator used in the expression  (a) 5*++x = 30, is known as the pre-increment operator. In which the value is incremented by 1 before assigning the value to the variable.

Whereas, the operator used in the expression (b) 5*x++ = 25, is known as the post-increment operator. Where, after assigning a value to the variable, the value is incremented.

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