1: Find the frequency of a character in a string.
2: Remove all vowels from a string.
3: Find the first non-repeating character in a string.
4: Check if two strings are anagrams.
5: Remove all spaces from a string.
6: Replace all occurrences of a character in a string with another character.
7: Reverse the order of words in a string.
8: Find all substrings of a string.
9: Check if a string contains only digits.
10: Check if a string contains only alphabets.
C is a general-purpose programming language that is widely used for system programming and application development.
C++ is a high-level programming language that supports object-oriented, procedural, and generic programming paradigms.
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A linked list is a linear data structure where each element is a separate object, and elements are linked using pointers.
A stack is a linear data structure that follows the Last In First Out (LIFO) principle, where elements are added and removed from the top.
Strings are sequences of characters used to store and manipulate text in programming, offering various operations for data handling.
Computer Networking refers to the practice of connecting computers and devices to share resources and information.
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Theory of Computation deals with understanding the capabilities and limitations of computers in solving problems.
HTML (HyperText Markup Language) is the standard markup language for documents designed to be displayed in a web browser.
The Internet of Things (IoT) is a network of interconnected devices that communicate and exchange data with one another.
