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Select the correct answerWe can make a class abstract byOptionsDeclaring it abstract using the virtual keywordMaking at least one member function as pure virtual functionMaking all member function constMaking at least one member function as virtual function

Question

Select the correct answerWe can make a class abstract byOptionsDeclaring it abstract using the virtual keywordMaking at least one member function as pure virtual functionMaking all member function constMaking at least one member function as virtual function

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Solution

The correct answer is: Making at least one member function as pure virtual function.

Here's why: In object-oriented programming, a class is made abstract by declaring at least one of its functions as pure virtual function. A pure virtual function is a function that in a base class is declared to have no implementation. Derived classes of this abstract class must provide an implementation for this function, otherwise they will also become abstract classes.

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Similar Questions

Select the correct answerWhich of the following is used to make an Abstract class?OptionsMaking atleast one member function as pure virtual functionDeclaring as Abstract class using virtual keywordDeclaring as Abstract class using static keywordMaking atleast one member function as virtual function

Which is used to create an Abstract class?OptionsDeclaring as Abstract class using virtual keywordCreating at least one member function as a virtual functionDeclaring as Abstract class using static keywordCreating at least one member function as a pure virtual function

Which of the following is used to make an Abstract class?Select one:Making at least one-member function as virtual functionDeclaring as Abstract class using static keywordDeclaring as Abstract class using virtual keywordMaking at least one-member function as pure virtual function

ct answerWhich of these is not a correct statement?OptionsEvery class containing abstract method must be declared abstractAbstract class can be initiated by new operatorAbstract class defines only the structure of the class not its implementationAbstract class can be inherited

Select the correct answerIf a class inheriting an abstract class does not define all of its function then it will be known as?OptionsA simple classAbstractStatic classNone of these

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