#1
Which function is used to find the length of a string in C programming?
strlen()
ExplanationReturns the number of characters in a string.
#2
In Python, which method is used to convert a string to uppercase?
upper()
ExplanationConverts all characters in a string to uppercase.
#3
What does the 'charAt()' method return in Java when used on a string?
The character at a specified index
ExplanationReturns the character at the specified index in a string.
#4
Which function is used to find the last occurrence of a character in a string in C programming?
strrchr()
ExplanationFinds the last occurrence of a character in a string.
#5
What is the purpose of the 'strcpy()' function in C?
To copy one string to another
ExplanationCopies the contents of one string to another.
#6
Which operator is used for string concatenation in JavaScript?
+
ExplanationConcatenates two strings.
#7
What is the purpose of the 'strcat()' function in C?
To concatenate two strings
ExplanationConcatenates two strings.
#8
Which method is used to remove whitespace from both ends of a string in Python?
strip()
ExplanationRemoves leading and trailing whitespaces from a string.
#9
What does the 'ord()' function do in Python?
Converts a character to its ASCII value
ExplanationReturns the ASCII value of a character.
#10
What is the purpose of the 'isalpha()' function in Python?
To check if all characters in a string are alphabetic
ExplanationReturns True if all characters in the string are alphabetic.
#11
What is the purpose of the 'isdigit()' function in Python?
To check if all characters in a string are digits
ExplanationReturns True if all characters in the string are digits.
#12
What is the purpose of the 'isalnum()' function in Python?
To check if all characters in a string are alphanumeric
ExplanationReturns True if all characters in the string are alphanumeric.