Q. Which of the following is used to prevent multiple inclusions of a header file?

  • (A) #define
  • (B) #ifndef
  • (C) #include
  • (D) #pragma
💬 Discuss
✅ Correct Answer: (B) #ifndef
Explanation: The '#ifndef' directive is used to prevent multiple inclusions of a header file.

Published by Vinay ⭐ 28.75K Points at 14-Feb-2025 10:40 pm in C++

Explanation by: Vinay
The '#ifndef' directive is used to prevent multiple inclusions of a header file.

💬 Discussion

📊 Question Analytics

👁️
111
Total Visits
📽️
1 y ago
Published
🎖️
Vinay
Publisher
📈
87%
Success Rate