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Which function is used to get the length of a string object?

(a) str.length()

(b) str.size()

(c) str.max_size()

(d) both size() and length() function

I have been asked this question in an online interview.

This interesting question is from String topic in division Source Files, Classes and Operator Overloading in C++ of C++

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Correct choice is (d) both size() and length() function

Easy explanation - Both size() and length() are used to get the size of the string objects.

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