C++ for Beginners - String Manipulation

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Information Technology (IT), Architecture
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University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of the STL string class discussed in the video?
Data encryption
Memory management
Iteration and comparison
Error handling
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to test your code after making small changes?
To ensure the code is optimized
To verify that no new errors have been introduced
To improve code readability
To increase execution speed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 'count vowels' function?
To reverse a string
To find the length of a string
To count the number of vowels in a string
To convert a string to uppercase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a string iterator used for?
To compare two strings
To sort strings alphabetically
To iterate through a string character by character
To store multiple strings
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the 'count vowels' function determine if a character is a vowel?
By checking if the character is uppercase
By comparing it to a constant string of vowels
By using a regular expression
By checking its ASCII value
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of running the vowel counting function on a string?
The string is reversed
The number of vowels is returned
The string is converted to uppercase
The string is sorted alphabetically
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to swap two strings without creating a temporary variable?
switch
exchange
replace
swap
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