30 Score: 0 Attempted: 0/30 Subscribe 1. : What is the purpose of an abstract class? (A) To create objects directly (B) To provide a blueprint for derived classes (C) To hold only static members (D) To overload operators 2. : Which of the following cannot be instantiated? (A) Concrete class (B) Static class (C) … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is the primary purpose of a virtual function in C++? (A) To allow function overloading (B) To support multiple inheritance (C) To enable dynamic binding (D) To increase performance 2. : What keyword is used to declare a virtual function in C++? (A) static (B) … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is the concept of polymorphism in C++? (A) Data hiding (B) Multiple forms of a function or operator (C) Data encapsulation (D) None of the above 2. : Which type of polymorphism is resolved during compile time? (A) Static polymorphism (B) Dynamic polymorphism (C) Runtime polymorphism … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is inheritance in C++? (A) Reusing code by calling main function (B) Reusing existing class features in a new class (C) Using a loop in a program (D) Accessing private members of a class 2. : What is the class that inherits from another class called? … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is inheritance in C++? (A) Reusing variables only (B) Reusing functions only (C) Reusing classes and their properties (D) None of the above 2. : Which keyword is used to inherit a class in C++? (A) extends (B) inherits (C) base (D) public/private/protected 3. : Which … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is function overloading in C++? (A) Defining multiple functions with the same name but different parameters (B) Defining multiple classes with the same name (C) Using inheritance for multiple classes (D) Writing multiple programs in one file 2. : Which of the following cannot be used … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is operator overloading in C++? (A) Assigning a new meaning to an existing operator (B) Creating a new operator (C) Changing the syntax of C++ (D) Modifying built-in data types 2. : Which keyword is used to overload an operator in C++? (A) overload (B) operator … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is a static data member in a class? (A) A variable shared among all objects of the class (B) A variable that cannot be modified (C) A local variable (D) A constant variable 2. : Which keyword is used to declare a static member in a … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is a friend function in C++? (A) A function that can access private and protected members of a class (B) A private function inside a class (C) A function that is always inline (D) A member function of a class 2. : Which keyword is used … Read more
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is a constructor in C++? (A) A function to destroy objects (B) A special function to initialize objects (C) A function that runs the program (D) A function that frees memory 2. : What is the name of a constructor in a class? (A) init() (B) … Read more