Ace Your C++ Skills 2026 – Rock the ‘Thinking in C++’ Challenge!

Question: 1 / 565

What is one difference between dynamic memory allocation in C and C++?

C requires manual deallocation, unlike C++

C++ requires type casting from void*, unlike C

C allows direct constructor calls, unlike C++

C++ ensures destructors are called, unlike C

C++ ensures destructors are called when using dynamic memory allocation, while in C the programmer must manually handle this. One key difference is that C++ is an object-oriented language, so it handles memory allocation and deallocation automatically through the use of constructors and destructors. In contrast, C is a procedural language, meaning it does not have built-in support for objects and requires manual memory management. As a result, C++ ensures destructors are called to prevent memory leaks, while in C it is the programmer's responsibility to deallocate memory. Options A, B, and C are incorrect because they either describe features that are shared between C and C++, such as manual deallocation and direct constructor calls, or describe differences unrelated to dynamic memory allocation.

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