OOP New Operator Quiz Online Practice Test

1. What does the new operator do?

Allocates memory for objects or arrays and returns a pointer

Allocates memory and directly returns the object or array

Acts as a return type when creating objects

Declares new variables or functions in a program

2. In Microsoft C++ Components extensions, `new` is used to ___________

Alter a vtable

Substitute a vtable slot

Introduce additional vtable slot entries

Reorder vtable slot entries

3. When the `new` operator fails, it will _____________

Always return zero

Always throw an exception

Either throw an exception or return zero

Terminate the program

4. In the event of a `new` error, which function enables you to specify a custom handler?

_set_handler

_new_handler

_handler_setter

_set_new_handler

5. When using the `new` operator in C++, when does the constructor for an object get invoked?

Before memory is allocated

After memory is allocated

Concurrently with memory allocation

Based on the implementation

6. Which is the proper syntax for declaring a 2D array using the `new` operator in C++?

`char (*pchar)[10] = new char[10][10];`

`char (*pchar) = new char[10][10];`

`char (*pchar)[10] = new char[][10];`

`char (*pchar)[10] = new char[10];`

7. For using the `new` operator to declare data, ____________

The type name must exclude `const`

The type name must exclude `volatile`

The type name must avoid class declarations

The type name must not include `const`, `volatile`, class declarations, or enumerations

8. The `new` operator ______________

Supports memory allocation for reference types

Excludes reference types from allocation

Handles references to objects

Fails to allocate memory

9. Which statement accurately describes the `new` operator's capabilities?

The `new` operator can’t allocate functions, though pointers to functions can be allocated

The `new` operator can allocate both functions and pointers to functions

The `new` operator can allocate any type of functions

The `new` operator cannot be used for function allocation

10. Which element has been incorporated into the syntax of the `new` operator?

Finalizer

Argument

Initializer

Allocator

11. Initializers are used to:

Define arrays

Specify multidimensional arrays

Set values for arrays

Initialize any type of data

12. Objects created with the `new` operator:

Persist until explicitly deleted, even if they go out of scope

Automatically deallocate when the scope ends

Can be deallocated at any point by the program

Remain allocated throughout the program’s lifetime

Test Name:	OOP New Operator Quiz
Subject Category:	Computer Science
Test Type:	Multiple Choice Questions
Total Score / Questions:	12 / 12
Time Allowed:	10 Min
Who Should Practice this Test:	Students, job seekers, or professionals preparing for competitive exams and interviews.

OOP New Operator MCQ Quiz Online Practice Test