What are string streams in C++?

What are string streams in C++?

String streams in C++ are used to perform input and output operations on strings, similar to how you would use file streams.

How do I use string streams to read from a string?

You can use the std::istringstream class to read from a string. For example:

std::istringstream iss("Hello World");
std::string word;
while (iss >> word) {
    std::cout << word << std::endl;
}

Can you show me an example of writing to a string stream?

Sure! You can use std::ostringstream to write to a string stream. Here's an example:

std::ostringstream oss;
oss << "Hello " << "World!";
std::string result = oss.str();
std::cout << result; // Outputs: Hello World!

What are the advantages of using string streams?

String streams provide a convenient way to manipulate strings as streams, allowing for formatted input and output, and they can simplify code when dealing with string data.