Exam 10: Characters, C-Strings, and More About the String Class

A test using the isupper function will return False if the argument is an uppercase character.

The expression being tested by the statement shown below will evaluate to true if var1 is __________. if (!isdigit(var1))

The null terminator stands for ASCII code

The __________ function will change a character argument from uppercase to lowercase.

C++11 introduces a function named to_string that converts a numeric value to a string object.

The __________ function concatenates the contents of one C-string with another C-string.

The __________ function will change a character argument from lowercase to uppercase.

Select all that apply. Which of the following would be appropriate in a program that allows the user to enter either an uppercase or lowercase character in response to a prompt?

Which of the following will return true if the argument is a printable character other than a digit, letter, or space?

To test whether a character is a numeric digit character, use the __________ function.

To test whether a character is a printable character, use the __________ function.

The function that accepts a C-string containing a number as its argument and returns the integer equivalent is

Although C++ provides ample library functions to handle numeric values, we must write all of our own functions to manipulate character values.

Which of the following defines an array of C-strings that will hold 49 characters and the null terminator?

The following string that uses a semicolon as a delimiter contains four tokens: "apple;cherry;lemon cream"

The escape sequence that represents the null terminator is

The function that reverses the order of a C-string is

The itoa function is similar to atoi but it works in reverse.

By being able to pass arrays as arguments, you can write your own functions for processing C-strings.

The ftoa function converts a floating-point value to an ASCII value.