Difficulty: Medium
Correct Answer: 0.1
Explanation:
Introduction / Context:
This problem tests operator precedence, implicit/explicit conversions, and evaluation order in C#.
Given Data / Assumptions:
Concept / Approach:
Key points: casting y to short truncates toward zero (1.1f → 1). The compound assignment x += value both updates x and yields the updated value. Multiplication has higher precedence than addition/subtraction, but subexpression evaluation still respects left-to-right side effects.
Step-by-Step Solution:
Verification / Alternative check:
Running the code prints 0.1 (subject to usual floating formatting). Any difference implies a misunderstanding of side-effect timing.
Why Other Options Are Wrong:
They assume wrong cast behavior, precedence, or that x's new value is used in earlier subexpressions (it is not).
Common Pitfalls:
Thinking (short)1.1f rounds to 2 (it truncates to 1), or believing the x += side effect affects (float)x computed earlier.
Final Answer:
0.1
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