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Question

What is the importance of mutable keyword?

a.

It allows the data member to change within a const member function

b.

It will not allow the data member to change within a const member function

c.

It will copy the values of the variable

d.

None of the mentioned

Posted under Object Oriented Programming Using C++

Answer: (a).It allows the data member to change within a const member function

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Q. What is the importance of mutable keyword?
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