What is the result stored in x, after evaluating the following code snippet?int x =-5;X= X++ %2+3 *--x +2:
Question
What is the result stored in x, after evaluating the following code snippet?int x =-5;X= X++ %2+3 *--x +2:
Solution
The code snippet you provided seems to be written in Java or a similar language. Let's break it down step by step:
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int x = -5;This line initializes an integer variablexwith a value of-5. -
x = x++ % 2 + 3 * --x + 2;This line is a bit more complex, so let's break it down further:-
x++This is a post-increment operation. It means thatxis used in its current state (which is-5), and then incremented by1after the operation. So, for this operation,xis-5, but immediately after it becomes-4. -
--xThis is a pre-decrement operation. It means thatxis decremented by1before it's used in the operation. Sincexwas-4after the post-increment, it now becomes-5again before this operation. -
%This is the modulus operator. It returns the remainder of the division of the number to the left by the number on the right.-5 % 2equals-1because-5divided by2equals-2with a remainder of-1. -
*This is the multiplication operator.3 * -5equals-15. -
+This is the addition operator.-1 + -15 + 2equals-14.
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So, after evaluating the entire code snippet, x should be -14.
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