What is std::string in C++?

Can you explain what std::string is in C++?

Sure! std::string is a part of the C++ Standard Library that represents a sequence of characters. It provides various functions to manipulate strings easily.

What are some common methods available in std::string?

Some common methods include length(), substr(), find(), and append(). These methods help in managing and manipulating string data.

How do I concatenate two std::string objects?

You can concatenate two std::string objects using the '+' operator or the append() method. For example: str1 + str2 or str1.append(str2).

Are there any performance considerations when using std::string?

Yes, while std::string is convenient, it can incur overhead due to dynamic memory allocation. For performance-critical applications, consider using std::string_view or character arrays.