Recent questions tagged object-oriented-programming

Which of the following is not true about constructorWhen an object is created and initialized at the same time, a copy constructor gets called.They do not have return typ...

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason RAssertion A: We can build an object from a class containing a pure vir...

Which of the following statements are True?The $++$ operator can be overloaded to perform decrementation of a variable.It is necessary that a constructor in a class shoul...

Match List I with List II$\begin{array}{|ll|ll|} \hline & \textbf{List I} & & \textbf{List II} \\ \hline \text{A.} & \text{Overloading} & \text{I.} & \text{Since function...

Which of the following statement is not True?A data member of a class can be declared as static and is normally used to maintain values common to the entire class.A frien...

Which of the following C++ statements correctly declares an abstract class?class A { virtual void show ()=0; };class A { void show ()=0; };class A { void show() {} ; };cl...

Which of the following are TRUE about constructors in C++?A constructor can be overloaded.A constructor does not have a return type.A constructor must be declared as a fr...

Which of the following statements is TRUE?Virtual functions do not implement polymorphismVirtual functions do not permit calling of derived class functions using a base c...

Which of the statement are CORRECT?Constructors are invoked automatically when the objects are created.Constructors do not have return types, not even void and therefore ...

Given below are two statements :Statement $\text{(I)}$ : The friend function and the member functions of a friend class directly access the private and protected data.Sta...

Which of the following is true?A "static" member of a class cannot be inherited by its derived class.A "static" member of a class can be initialized only within the class...

If a constructor 'Date' is declared explicitly and has to be defined outside the class, which of the following is correct?Date::Date(int dd) $\{/ * \ldots * /\}$explicit ...

Imagine a scenario where new child classes are introduced frequently from a base class. The method calling sequences for every child class are the same but the implementa...