C - Operators and Expressions
What is the value of variable
y after this code runs?int x = 3;
int y = ++x;
What is the value of variable y after this code runs?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Understand pre-increment operator
The pre-increment operator++xincreasesxfirst, then uses the new value.Step 2: Apply to given code
xstarts at 3,++xmakes it 4, soyis assigned 4.Final Answer:
4 -> Option DQuick Check:
Pre-increment increments before assignment [OK]
Quick Trick: Pre-increment adds 1 before using value [OK]
Common Mistakes:
- Thinking pre-increment uses old value
- Mixing pre- and post-increment effects
- Ignoring operator position
Master "Operators and Expressions" in C
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