Explore topic-wise MCQs in C++ Programming.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your C++ Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the identifier given to string class to declare string objects?

A. String
B. string
C. STRING
D. Any of the above can be used
Answer» C. STRING
Discussion
2.

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
Answer» E.
Discussion
3.

Which of the following is not a modifier function in string class?

A. operator+=()
B. operator[]()
C. push_back()
D. erase()
Answer» C. push_back()
Discussion
4.

Which header file is used to include the string object functions in C++?

A. #include <string.h>
B. #include <cstring>
C. #include <string>
D. #include <string.cpp>
Answer» D. #include <string.cpp>
Discussion
5.

Pick the correct statement about string objects in C++.

A. String objects must be terminated by a null character( 0 )
B. String objects have a static size
C. String objects have a dynamic size
D. String objects use extra memory than required.
Answer» D. String objects use extra memory than required.
Discussion
6.

Pick the incorrect statement about Character-Array.

A. Character-Array can be terminated by a null character( 0 )
B. Character-Array has a static size
C. Character-Array has a dynamic size
D. Character-Array has a threat of array-decay
Answer» D. Character-Array has a threat of array-decay
Discussion
7.

What is Character-Array?

A. array of alphabets
B. array of well-defined characters
C. array of characters
D. array of characters terminated by 0
Answer» D. array of characters terminated by 0
Discussion
8.

What is string objects in C++?

A. Stream of alphabets
B. A stream of well-defined characters
C. Stream of characters
D. A stream of characters terminated by 0
Answer» C. Stream of characters
Discussion