Which of the following lines must be included in a program that has string variables? A) #include (string class) B) #include namespace std; C) #include D) string var; E) None of these

Name: Which of the following lines must be included in a program that has string variables? A) #include (string class) B) #include namespace std; C) #include <string> D) string var; E) None of these
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Question

Which of the following lines must be included in a program that has string variables?
A) #include (string class)
B) #include namespace std;
C) #include <string>
D) string var;
E) None of these

Quizplus · Accepted Answer

the #include <string> line is necessary to use string variables in a program as it includes the string header file.

Which of the Following Lines Must Be Included in a Program