A. They must be declared using the 'string' keyword
B. They are objects of the 'string' class
C. They can have variable lengths
D. They are represented as arrays of characters terminated by a null character
Answer: Option D
This Question Belongs to C Plus Plus Programming >> Arrays And Strings In C Plus Plus
What is the correct way to declare a one-dimensional array in C++?
A. int* arr = new int[size];
B. int[] arr = new int[size];
C. int arr = new int[size];
D. int arr[size];
How do you access the third element of an array named 'arr' in C++?
A. arr(3)
B. arr[3]
C. arr[2]
D. arr(2)
What is the size of the following array declaration in C++: char str[10];?
A. 11
B. 10
C. Depends on the length of the string assigned to 'str'
D. None of these
What is the purpose of the 'strlen()' function in C++?
A. Concatenates two strings
B. Compares two strings
C. Returns the length of a null-terminated string
D. Copies a string to another string
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