Which of the following code snippets correctly uses new and delete to allocate and deallocate a dynamic array of pointers with a size of 5? Options: int *arr = new int[5]; delete[] arr;, int * arr = new int *[5]; delete[] arr;, int * arr = new int *[5]; delete[] *arr;, int *arr = new int[5](); delete[] arr;

int * arr = new int *[5]; delete[] arr;

Predict the output of the given code.

Default constructor called. Parameterized constructor called with 42. Destructor called.

Which of the following statements is true regarding the mutable keyword in C++? A mutable data member cannot be modified by a const member function, A const data member can be modified using the mutable keyword, A mutable data member can be accessed from a const member function, A static data member cannot be declared mutable

A mutable data member can be accessed from a const member function

What is the scope of the "this" pointer in C++?

It is local to the object on which the member function is called

Which of the following is true about the copy constructor and the overloaded assignment operator in C++? Options: Both the copy constructor and the overloaded assignment operator take a single argument of the same type. The copy constructor is used to create a new object from an existing object, while the overloaded assignment operator is used to copy the contents of one object to another. The copy constructor can be defined as a member function or a non-member function, while the overloaded assignment operator must always be a member function. The copy constructor and the overloaded assignment operator both return void.

The copy constructor is used to create a new object from an existing object, while the overloaded assignment operator is used to copy the contents of one object to another.

Internal implementation can be changed without affecting the user level code.

Constructing an object of Test, Destructing an object of Test, Caught 10

What will be the output of the following C++ code? Options: Base Constructor Derived Constructor Base Destructor Derived Destructor , Base Constructor Derived Constructor Derived Destructor Base Destructor , Derived Constructor Base Constructor Derived Destructor Base Destructor , Base Constructor Derived Constructor Derived Destructor

Base Constructor Derived Constructor Derived Destructor Base Destructor

Which of the following is CORRECT ? A.String alpha (“Hello Quiz!”); B. String = “Hello Quiz!”; C. String alpha = new “Hello Quiz!”; D. String alpha = “Hello Quiz”;

String alpha = “Hello Quiz”;.

Which are the main THREE features of OOP concept? Options: A. Abstraction, Encapsulation, Inheritance and Polymorphism, B. Inheritance, Encapsulation, Class and Persistence, C.Abstraction, Polymorphism, Class and Constructor Inheritance, D. Encapsulation, Object and Typing are the major concept

Abstraction, Encapsulation, Inheritance and Polymorphism

What will be the output of the following C++ code? Options: Default constructor called Copy Constructor called, Default constructor called Copy Constructor called Copy Constructor called, Default constructor called Default constructor called Copy Constructor called, Copy Constructor called Default constructor called Copy Constructor called

Default constructor called Copy Constructor called Copy Constructor called

When destructors are called?

When a program ends, When a function ends, When a delete operator is used, All of the mentioned.

OOPS Flashcard Flashcards

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30 questions

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1.

FLASHCARD QUESTION

Front

A constructor that accepts __________ parameters is called the default constructor.

Back

0

2.

FLASHCARD QUESTION

Front

What is the purpose of constructors in C++?

Back

To initialize the data members of objects

3.

FLASHCARD QUESTION

Front

Which of the following is true about constant objects in C++? Options: The member functions of a constant object can modify the object. A constant object cannot be used as an argument to a non-const member function. The data members of a constant object can be modified. A constant object can be created only with a parameterized constructor.

Back

A constant object cannot be used as an argument to a non-const member function.

4.

FLASHCARD QUESTION

Front

Back

Default Constructor Parameterized Constructor: 10 Destructor Parameterized Constructor: 5 Destructor

5.

FLASHCARD QUESTION

Front

What is the purpose of the "protected" access modifier in C++ inheritance?

Back

To allow access to the member variables and functions from within the class and its subclasses

6.

FLASHCARD QUESTION

Front

Back

Shape constructor called, Circle constructor called, Cylinder constructor called, Cylinder destructor called, Circle destructor called, Shape destructor called

7.

FLASHCARD QUESTION

Front

.............. method and operator overloading can be achieved.

Back

C++

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