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

Here's why:

An abstract class in C++ is a class that has at least one pure virtual function. A pure virtual function is a function that is declared in an abstract class and does not have any definition provided in the abstract class.

So, to make an Abstract class, you need to make at least one-member function as a pure virtual function. The other options mentioned do not apply to the creation of an Abstract class in C++.

The static keyword is not used to declare an Abstract class. It is used to declare static members, which belong to the class rather than individual objects of the class.

The virtual keyword is used to declare virtual functions, which can be overridden in derived classes. However, simply declaring a function as virtual does not make the class abstract. The function must be a pure virtual function (i.e., it is declared but does not have any definition in the abstract class) for the class to be abstract.

Question

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

Here's why:

An abstract class in C++ is a class that has at least one pure virtual function. A pure virtual function is a function that is declared in an abstract class and does not have any definition provided in the abstract class.

So, to make an Abstract class, you need to make at least one-member function as a pure virtual function. The other options mentioned do not apply to the creation of an Abstract class in C++.

The static keyword is not used to declare an Abstract class. It is used to declare static members, which belong to the class rather than individual objects of the class.

The virtual keyword is used to declare virtual functions, which can be overridden in derived classes. However, simply declaring a function as virtual does not make the class abstract. The function must be a pure virtual function (i.e., it is declared but does not have any definition in the abstract class) for the class to be abstract.

Knowee AI · Accepted Answer

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

Here's why:

An abstract class in C++ is a class that has at least one pure virtual function. A pure virtual function is a function that is declared in an abstract class and does not have any definition provided in the abstract class.

So, to make an Abstract class, you need to make at least one-member function as a pure virtual function. The other options mentioned do not apply to the creation of an Abstract class in C++.

The static keyword is not used to declare an Abstract class. It is used to declare static members, which belong to the class rather than individual objects of the class.

The virtual keyword is used to declare virtual functions, which can be overridden in derived classes. However, simply declaring a function as virtual does not make the class abstract. The function must be a pure virtual function (i.e., it is declared but does not have any definition in the abstract class) for the class to be abstract.

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

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