Complete Modern C++ - Dynamic Memory Allocation - Part II (new Operator)

The video tutorial explains memory allocation in C++ using the new and delete operators. It covers the syntax for allocating and deallocating memory, provides a practical example in Visual Studio, and highlights the advantages of using new over malloc. The tutorial also compares the new operator with malloc, emphasizing new's ability to initialize memory and call constructors. The video concludes with a preview of the next topic on using new for arrays.

What is the primary role of the delete operator in C++?

• To initialize memory with a default value

• To deallocate memory from the heap

• To allocate memory on the stack

• To allocate memory for arrays

Which of the following is a key difference between new and malloc?

• Malloc can initialize memory

• New requires size during allocation

• Malloc is an operator

• New can call constructors of objects

In the practical example, what is demonstrated about the new operator?

• It is used only for array allocation

• It requires manual size specification

• It cannot initialize memory

• It automatically determines the size and can initialize memory

What should be done to a pointer after calling delete on it?

• Reallocate it immediately

• Initialize it to null

• Convert it to a void pointer

• Leave it as is

What happens when new fails to allocate memory?

• It throws an exception

• It returns a null pointer

• It calls a destructor

• It returns a void pointer

Why is new considered superior to malloc in C++?

• Malloc can call constructors

• New is a function, while malloc is an operator

• New can be customized through overloading

• Malloc automatically determines the size

Which operator in C++ can be overloaded to customize memory allocation?

• Delete

• Malloc

• Free

• New