I am working on a study guide for a final exam for my C++ class and would like a

Question

I am working on a study guide for a final exam for my C++ class and would like a second opinion on the answers to the study guide questions since I do not have an answer key.

Short Answer:
1)All c-strings must be terminated by ________

2) To compare two c-strings you use the __________ function.

3)To use the functions for manipulating and comparing c-strings, you must include ___________

4)What is the c-string function to determine the number of characters in a c-string?

5) What is the name of the function to convert from a c-string that contains only digits to an integer?

6)The c-string to number conversion functions are in the _________ library.

7)The ________ class lets you treat string values and variables like other pre-defined data types (such as int).

8)How do you concatenate two string values (str1, str2)?

9)What is the code to print out the third character in a string variable named str?

10)Which string function returns the first occurrence of str1 in a string named str?

11) ____________ can be thought of as an array that can grow and shrink as needed.

Explanation / Answer

Answers:

1)All c-strings must be terminated by ____''____

2) To compare two c-strings you use the ___strcmp()_______ function.

3)To use the functions for manipulating and comparing c-strings, you must include __string.h_________

4)What is the c-string function to determine the number of characters in a c-string? strlen()

5) What is the name of the function to convert from a c-string that contains only digits to an integer? atoi()

6)The c-string to number conversion functions are in the __stdlib.h_______ library.

7)The __string______ class lets you treat string values and variables like other pre-defined data types (such as int).

8)How do you concatenate two string values (str1, str2)? str1 + str2

9)What is the code to print out the third character in a string variable named str? str[2] since string elements start from 0 so 3rd character exists in 2nd index in str

10)Which string function returns the first occurrence of str1 in a string named str? find function

11) _____vector_______ can be thought of as an array that can grow and shrink as needed.

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