ACtE03 · Chapter 3Programming & Applications🏛️ Past Licensure QuestionID: 18458074
In the C++ template declaration template <typename T> class MyClass, what does T represent?
In the C++ template declaration template <typename T> class MyClass, what does T represent?
Multiple Choice Options
- A
The name of the class
- B✓ Correct Option
A template type parameter
- C
A fixed data type
- D
The class constructor
Detailed Technical Solution & Explanation
In C++ template declarations such as template <class T> or template <typename T>, the identifier T serves as a generic template type parameter (a placeholder). When the template is instantiated (e.g., MyClass<int>), T is replaced by the concrete data type supplied by the user.
Option Analysis:
•
Option A (The name of the class): Incorrect. The class name follows after the template prefix.
•
Option B (A template type parameter): Correct.
T represents a generic type parameter placeholder.•
Option C (A fixed data type): Incorrect. Templates exist specifically to generalize beyond fixed data types.
•
Option D (The class constructor): Incorrect.
Reference: Demo2 · Set 2NEC Licensure Syllabus