C#.NET — Trace the loop and short-circuiting branches to determine printed output. int i; for (i = 0; i <= 10; i++) { if (i == 4) { Console.Write(i + " "); continue; } else if (i != 4) Console.Write(i + " "); else break; }

Difficulty: Easy

Correct Answer: 0 1 2 3 4 5 6 7 8 9 10

Explanation:


Introduction / Context:
In this C#.NET loop question, we analyze how if/else, continue, and unreachable else branches affect the sequence printed by Console.Write. The goal is to follow control flow carefully and see which numbers actually print.


Given Data / Assumptions:

  • for loop: i goes from 0 to 10 inclusive.
  • When i == 4, the code prints i and continues (skips the rest of the loop body).
  • Else-if prints i for all cases where i != 4.
  • The final else would run only if previous conditions fail.


Concept / Approach:
Evaluate the mutually exclusive branches for each i and note any control-transfer statements like continue that skip remaining statements. Also notice that the else after else-if is logically unreachable because the else-if already covers i != 4 and the if covers i == 4, exhausting all cases.


Step-by-Step Solution:

For i = 0..10, either i == 4 (first branch) or i != 4 (second branch) holds. If i == 4: print "4 " then continue; the else-if and else are skipped. If i != 4: the else-if executes and prints i followed by a space. The trailing else is never reached because the two prior conditions cover all possible values of i. Therefore, every i from 0 through 10 prints, separated by spaces.


Verification / Alternative check:
Count outputs: There are 11 numbers from 0 to 10 inclusive. Both paths print exactly once per iteration. No break ever triggers.


Why Other Options Are Wrong:

  • Option A omits 0 and stops at 10: incorrect start.
  • Option B stops at 4: no such stopping condition exists.
  • Option D prints only 4..10: earlier numbers are printed too.
  • Option E prints only 4: clearly incomplete.


Common Pitfalls:
Assuming the final else can run, or thinking continue prevents printing 4. It prints 4 before continuing.


Final Answer:
0 1 2 3 4 5 6 7 8 9 10

More Questions from Control Instructions

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion