The size () function is consistent with other stl containers (like vector, map, etc.), and length () is consistent with most people's intuitive notion of character strings like a word, sentence, or paragraph. It is the most basic method, and it is generally used while traversing a string object You might see some c++ programs that use the size() function to get the length of a string
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This is just an alias of length()
It is completely up to you if you want to use length() or size():
Both string::size and string::length are synonyms and return the exact same value Parameters none return value the number of bytes in the string Size_t is an unsigned integral type (the same as member type string::size_type) Edit & run on cpp.sh output
The size of str is 11 bytes complexity c++98 c++11 unspecified This article demonstrates how to find the length of a string in c++ Learn how to effectively manage string data in your c++ programs with practical code examples and detailed explanations. Once you’ve created strings, it’s often useful to know how long they are
This is where length and capacity operations come into play
Unlock the secrets of how to get string length in c++ This concise guide reveals simple methods and best practices for effective string management. Most programmers commonly use string::size () method of string class when there is a need to calculate the length of a string in c++ programming language